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Finding the Fourth Proportional to 22,950.36, 34,425.54 and 7,378.92

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Solution

The fourth proportional to 22,950.36, 34,425.54 and 7,378.92 is: 11,068.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,950.36 : 34,425.54 = 7,378.92 : x
  2. Step 2: Convert to fraction form
    22,950.36/34,425.54 = 7,378.92/x
  3. Step 3: Cross multiply
    22,950.36x = 34,425.54 × 7,378.92
  4. Step 4: Simplify right side
    22,950.36x = 254,023,305.62
  5. Step 5: Solve for x
    x = 254,023,305.62/22,950.36
  6. Step 6: Final answer
    x = 11,068.38

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.