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Finding the Fourth Proportional to 39,561.92, 59,350.08 and 19,854.08

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Solution

The fourth proportional to 39,561.92, 59,350.08 and 19,854.08 is: 29,784.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,561.92 : 59,350.08 = 19,854.08 : x
  2. Step 2: Convert to fraction form
    39,561.92/59,350.08 = 19,854.08/x
  3. Step 3: Cross multiply
    39,561.92x = 59,350.08 × 19,854.08
  4. Step 4: Simplify right side
    39,561.92x = 1,178,341,236.33
  5. Step 5: Solve for x
    x = 1,178,341,236.33/39,561.92
  6. Step 6: Final answer
    x = 29,784.73

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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.