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Finding the Fourth Proportional to 60,708.78, 91,056.64 and 16,340.02

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Solution

The fourth proportional to 60,708.78, 91,056.64 and 16,340.02 is: 24,508.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,708.78 : 91,056.64 = 16,340.02 : x
  2. Step 2: Convert to fraction form
    60,708.78/91,056.64 = 16,340.02/x
  3. Step 3: Cross multiply
    60,708.78x = 91,056.64 × 16,340.02
  4. Step 4: Simplify right side
    60,708.78x = 1,487,867,318.73
  5. Step 5: Solve for x
    x = 1,487,867,318.73/60,708.78
  6. Step 6: Final answer
    x = 24,508.27

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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.