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Finding the Fourth Proportional to 63,505.12, 87,641.04 and 36,652.54

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Solution

The fourth proportional to 63,505.12, 87,641.04 and 36,652.54 is: 50,582.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,505.12 : 87,641.04 = 36,652.54 : x
  2. Step 2: Convert to fraction form
    63,505.12/87,641.04 = 36,652.54/x
  3. Step 3: Cross multiply
    63,505.12x = 87,641.04 × 36,652.54
  4. Step 4: Simplify right side
    63,505.12x = 3,212,266,724.24
  5. Step 5: Solve for x
    x = 3,212,266,724.24/63,505.12
  6. Step 6: Final answer
    x = 50,582.80

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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.