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Finding the Fourth Proportional to 63,363.85, 87,432.96 and 35,069.47

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Solution

The fourth proportional to 63,363.85, 87,432.96 and 35,069.47 is: 48,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,363.85 : 87,432.96 = 35,069.47 : x
  2. Step 2: Convert to fraction form
    63,363.85/87,432.96 = 35,069.47/x
  3. Step 3: Cross multiply
    63,363.85x = 87,432.96 × 35,069.47
  4. Step 4: Simplify right side
    63,363.85x = 3,066,227,567.73
  5. Step 5: Solve for x
    x = 3,066,227,567.73/63,363.85
  6. Step 6: Final answer
    x = 48,390.80

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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.