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Finding the Fourth Proportional to 57,336.66, 86,005.98 and 19,898.04

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Solution

The fourth proportional to 57,336.66, 86,005.98 and 19,898.04 is: 29,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,336.66 : 86,005.98 = 19,898.04 : x
  2. Step 2: Convert to fraction form
    57,336.66/86,005.98 = 19,898.04/x
  3. Step 3: Cross multiply
    57,336.66x = 86,005.98 × 19,898.04
  4. Step 4: Simplify right side
    57,336.66x = 1,711,350,430.28
  5. Step 5: Solve for x
    x = 1,711,350,430.28/57,336.66
  6. Step 6: Final answer
    x = 29,847.40

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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.