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Finding the Fourth Proportional to 52,211.60, 72,049.56 and 28,338.08

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Solution

The fourth proportional to 52,211.60, 72,049.56 and 28,338.08 is: 39,105.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,211.60 : 72,049.56 = 28,338.08 : x
  2. Step 2: Convert to fraction form
    52,211.60/72,049.56 = 28,338.08/x
  3. Step 3: Cross multiply
    52,211.60x = 72,049.56 × 28,338.08
  4. Step 4: Simplify right side
    52,211.60x = 2,041,746,195.24
  5. Step 5: Solve for x
    x = 2,041,746,195.24/52,211.60
  6. Step 6: Final answer
    x = 39,105.22

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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.