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Finding the Fourth Proportional to 52,463.59, 72,399.76 and 28,590.27

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Solution

The fourth proportional to 52,463.59, 72,399.76 and 28,590.27 is: 39,454.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,463.59 : 72,399.76 = 28,590.27 : x
  2. Step 2: Convert to fraction form
    52,463.59/72,399.76 = 28,590.27/x
  3. Step 3: Cross multiply
    52,463.59x = 72,399.76 × 28,590.27
  4. Step 4: Simplify right side
    52,463.59x = 2,069,928,324.34
  5. Step 5: Solve for x
    x = 2,069,928,324.34/52,463.59
  6. Step 6: Final answer
    x = 39,454.57

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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.