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Finding the Fourth Proportional to 29,346.46, 40,487.07 and 21,708.02

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Solution

The fourth proportional to 29,346.46, 40,487.07 and 21,708.02 is: 29,948.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,346.46 : 40,487.07 = 21,708.02 : x
  2. Step 2: Convert to fraction form
    29,346.46/40,487.07 = 21,708.02/x
  3. Step 3: Cross multiply
    29,346.46x = 40,487.07 × 21,708.02
  4. Step 4: Simplify right side
    29,346.46x = 878,894,307.92
  5. Step 5: Solve for x
    x = 878,894,307.92/29,346.46
  6. Step 6: Final answer
    x = 29,948.91

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