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Finding the Fourth Proportional to 63,613.44, 87,810.12 and 54,624.87

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Solution

The fourth proportional to 63,613.44, 87,810.12 and 54,624.87 is: 75,402.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,613.44 : 87,810.12 = 54,624.87 : x
  2. Step 2: Convert to fraction form
    63,613.44/87,810.12 = 54,624.87/x
  3. Step 3: Cross multiply
    63,613.44x = 87,810.12 × 54,624.87
  4. Step 4: Simplify right side
    63,613.44x = 4,796,616,389.68
  5. Step 5: Solve for x
    x = 4,796,616,389.68/63,613.44
  6. Step 6: Final answer
    x = 75,402.56

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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.