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Finding the Fourth Proportional to 60,451.08, 90,613.14 and 22,987.80

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Solution

The fourth proportional to 60,451.08, 90,613.14 and 22,987.80 is: 34,457.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,451.08 : 90,613.14 = 22,987.80 : x
  2. Step 2: Convert to fraction form
    60,451.08/90,613.14 = 22,987.80/x
  3. Step 3: Cross multiply
    60,451.08x = 90,613.14 × 22,987.80
  4. Step 4: Simplify right side
    60,451.08x = 2,082,996,739.69
  5. Step 5: Solve for x
    x = 2,082,996,739.69/60,451.08
  6. Step 6: Final answer
    x = 34,457.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.