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Finding the Fourth Proportional to 22,265.34, 30,732.39 and 21,928.38

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Solution

The fourth proportional to 22,265.34, 30,732.39 and 21,928.38 is: 30,267.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,265.34 : 30,732.39 = 21,928.38 : x
  2. Step 2: Convert to fraction form
    22,265.34/30,732.39 = 21,928.38/x
  3. Step 3: Cross multiply
    22,265.34x = 30,732.39 × 21,928.38
  4. Step 4: Simplify right side
    22,265.34x = 673,911,526.23
  5. Step 5: Solve for x
    x = 673,911,526.23/22,265.34
  6. Step 6: Final answer
    x = 30,267.29

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Half scale
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Double scale
Find fourth proportional to 22,266.34, 30,733.77 and 21,929.38
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.