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Finding the Fourth Proportional to 63,555.35, 87,704.71 and 34,874.92

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Solution

The fourth proportional to 63,555.35, 87,704.71 and 34,874.92 is: 48,126.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,555.35 : 87,704.71 = 34,874.92 : x
  2. Step 2: Convert to fraction form
    63,555.35/87,704.71 = 34,874.92/x
  3. Step 3: Cross multiply
    63,555.35x = 87,704.71 × 34,874.92
  4. Step 4: Simplify right side
    63,555.35x = 3,058,694,657.69
  5. Step 5: Solve for x
    x = 3,058,694,657.69/63,555.35
  6. Step 6: Final answer
    x = 48,126.47

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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.