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Finding the Fourth Proportional to 63,506.88, 87,626.88 and 38,357.76

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Solution

The fourth proportional to 63,506.88, 87,626.88 and 38,357.76 is: 52,926.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,506.88 : 87,626.88 = 38,357.76 : x
  2. Step 2: Convert to fraction form
    63,506.88/87,626.88 = 38,357.76/x
  3. Step 3: Cross multiply
    63,506.88x = 87,626.88 × 38,357.76
  4. Step 4: Simplify right side
    63,506.88x = 3,361,170,832.59
  5. Step 5: Solve for x
    x = 3,361,170,832.59/63,506.88
  6. Step 6: Final answer
    x = 52,926.09

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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.