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Finding the Fourth Proportional to 63,126.80, 87,114.90 and 34,832.48

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Solution

The fourth proportional to 63,126.80, 87,114.90 and 34,832.48 is: 48,068.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,126.80 : 87,114.90 = 34,832.48 : x
  2. Step 2: Convert to fraction form
    63,126.80/87,114.90 = 34,832.48/x
  3. Step 3: Cross multiply
    63,126.80x = 87,114.90 × 34,832.48
  4. Step 4: Simplify right side
    63,126.80x = 3,034,428,011.95
  5. Step 5: Solve for x
    x = 3,034,428,011.95/63,126.80
  6. Step 6: Final answer
    x = 48,068.78

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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.