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Finding the Fourth Proportional to 52,557.60, 72,528.12 and 28,684.56

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Solution

The fourth proportional to 52,557.60, 72,528.12 and 28,684.56 is: 39,583.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,557.60 : 72,528.12 = 28,684.56 : x
  2. Step 2: Convert to fraction form
    52,557.60/72,528.12 = 28,684.56/x
  3. Step 3: Cross multiply
    52,557.60x = 72,528.12 × 28,684.56
  4. Step 4: Simplify right side
    52,557.60x = 2,080,437,209.83
  5. Step 5: Solve for x
    x = 2,080,437,209.83/52,557.60
  6. Step 6: Final answer
    x = 39,583.95

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