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Finding the Fourth Proportional to 52,597.53, 72,585.87 and 28,724.01

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Solution

The fourth proportional to 52,597.53, 72,585.87 and 28,724.01 is: 39,639.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,597.53 : 72,585.87 = 28,724.01 : x
  2. Step 2: Convert to fraction form
    52,597.53/72,585.87 = 28,724.01/x
  3. Step 3: Cross multiply
    52,597.53x = 72,585.87 × 28,724.01
  4. Step 4: Simplify right side
    52,597.53x = 2,084,957,255.74
  5. Step 5: Solve for x
    x = 2,084,957,255.74/52,597.53
  6. Step 6: Final answer
    x = 39,639.83

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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.