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Finding the Fourth Proportional to 52,753.44, 72,799.80 and 28,880.28

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Solution

The fourth proportional to 52,753.44, 72,799.80 and 28,880.28 is: 39,854.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,753.44 : 72,799.80 = 28,880.28 : x
  2. Step 2: Convert to fraction form
    52,753.44/72,799.80 = 28,880.28/x
  3. Step 3: Cross multiply
    52,753.44x = 72,799.80 × 28,880.28
  4. Step 4: Simplify right side
    52,753.44x = 2,102,478,607.94
  5. Step 5: Solve for x
    x = 2,102,478,607.94/52,753.44
  6. Step 6: Final answer
    x = 39,854.82

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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.