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Finding the Fourth Proportional to 22,957.71, 34,435.35 and 7,374.12

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Solution

The fourth proportional to 22,957.71, 34,435.35 and 7,374.12 is: 11,060.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,957.71 : 34,435.35 = 7,374.12 : x
  2. Step 2: Convert to fraction form
    22,957.71/34,435.35 = 7,374.12/x
  3. Step 3: Cross multiply
    22,957.71x = 34,435.35 × 7,374.12
  4. Step 4: Simplify right side
    22,957.71x = 253,930,403.14
  5. Step 5: Solve for x
    x = 253,930,403.14/22,957.71
  6. Step 6: Final answer
    x = 11,060.79

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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.