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Finding the Fourth Proportional to 52,614.70, 72,610.04 and 28,743.60

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Solution

The fourth proportional to 52,614.70, 72,610.04 and 28,743.60 is: 39,667.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,614.70 : 72,610.04 = 28,743.60 : x
  2. Step 2: Convert to fraction form
    52,614.70/72,610.04 = 28,743.60/x
  3. Step 3: Cross multiply
    52,614.70x = 72,610.04 × 28,743.60
  4. Step 4: Simplify right side
    52,614.70x = 2,087,073,945.74
  5. Step 5: Solve for x
    x = 2,087,073,945.74/52,614.70
  6. Step 6: Final answer
    x = 39,667.13

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Why These Related Problems?

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