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Finding the Fourth Proportional to 58,849.20, 81,202.50 and 38,714.22

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Solution

The fourth proportional to 58,849.20, 81,202.50 and 38,714.22 is: 53,419.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,849.20 : 81,202.50 = 38,714.22 : x
  2. Step 2: Convert to fraction form
    58,849.20/81,202.50 = 38,714.22/x
  3. Step 3: Cross multiply
    58,849.20x = 81,202.50 × 38,714.22
  4. Step 4: Simplify right side
    58,849.20x = 3,143,691,449.55
  5. Step 5: Solve for x
    x = 3,143,691,449.55/58,849.20
  6. Step 6: Final answer
    x = 53,419.44

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1.5x scale

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.