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Finding the Fourth Proportional to 18,333.84, 25,300.68 and 9,950.34

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Solution

The fourth proportional to 18,333.84, 25,300.68 and 9,950.34 is: 13,731.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.84 : 25,300.68 = 9,950.34 : x
  2. Step 2: Convert to fraction form
    18,333.84/25,300.68 = 9,950.34/x
  3. Step 3: Cross multiply
    18,333.84x = 25,300.68 × 9,950.34
  4. Step 4: Simplify right side
    18,333.84x = 251,750,368.23
  5. Step 5: Solve for x
    x = 251,750,368.23/18,333.84
  6. Step 6: Final answer
    x = 13,731.46

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Double scale
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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.