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Finding the Fourth Proportional to 52,363.80, 72,245.76 and 29,701.08

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Solution

The fourth proportional to 52,363.80, 72,245.76 and 29,701.08 is: 40,978.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,363.80 : 72,245.76 = 29,701.08 : x
  2. Step 2: Convert to fraction form
    52,363.80/72,245.76 = 29,701.08/x
  3. Step 3: Cross multiply
    52,363.80x = 72,245.76 × 29,701.08
  4. Step 4: Simplify right side
    52,363.80x = 2,145,777,097.42
  5. Step 5: Solve for x
    x = 2,145,777,097.42/52,363.80
  6. Step 6: Final answer
    x = 40,978.25

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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.