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Finding the Fourth Proportional to 38,336.40, 57,470.40 and 14,957.40

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Solution

The fourth proportional to 38,336.40, 57,470.40 and 14,957.40 is: 22,422.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,336.40 : 57,470.40 = 14,957.40 : x
  2. Step 2: Convert to fraction form
    38,336.40/57,470.40 = 14,957.40/x
  3. Step 3: Cross multiply
    38,336.40x = 57,470.40 × 14,957.40
  4. Step 4: Simplify right side
    38,336.40x = 859,607,760.96
  5. Step 5: Solve for x
    x = 859,607,760.96/38,336.40
  6. Step 6: Final answer
    x = 22,422.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.