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Finding the Fourth Proportional to 63,568.80, 87,720.08 and 36,699.04

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Solution

The fourth proportional to 63,568.80, 87,720.08 and 36,699.04 is: 50,641.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,568.80 : 87,720.08 = 36,699.04 : x
  2. Step 2: Convert to fraction form
    63,568.80/87,720.08 = 36,699.04/x
  3. Step 3: Cross multiply
    63,568.80x = 87,720.08 × 36,699.04
  4. Step 4: Simplify right side
    63,568.80x = 3,219,242,724.72
  5. Step 5: Solve for x
    x = 3,219,242,724.72/63,568.80
  6. Step 6: Final answer
    x = 50,641.87

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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.