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Finding the Fourth Proportional to 59,781.83, 82,486.83 and 45,437.85

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Solution

The fourth proportional to 59,781.83, 82,486.83 and 45,437.85 is: 62,695.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,781.83 : 82,486.83 = 45,437.85 : x
  2. Step 2: Convert to fraction form
    59,781.83/82,486.83 = 45,437.85/x
  3. Step 3: Cross multiply
    59,781.83x = 82,486.83 × 45,437.85
  4. Step 4: Simplify right side
    59,781.83x = 3,748,024,208.52
  5. Step 5: Solve for x
    x = 3,748,024,208.52/59,781.83
  6. Step 6: Final answer
    x = 62,695.04

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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.