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Finding the Fourth Proportional to 63,626.88, 87,806.15 and 34,949.20

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Solution

The fourth proportional to 63,626.88, 87,806.15 and 34,949.20 is: 48,230.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,626.88 : 87,806.15 = 34,949.20 : x
  2. Step 2: Convert to fraction form
    63,626.88/87,806.15 = 34,949.20/x
  3. Step 3: Cross multiply
    63,626.88x = 87,806.15 × 34,949.20
  4. Step 4: Simplify right side
    63,626.88x = 3,068,754,376.02
  5. Step 5: Solve for x
    x = 3,068,754,376.02/63,626.88
  6. Step 6: Final answer
    x = 48,230.47

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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.