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Finding the Fourth Proportional to 63,885.52, 88,164.80 and 35,591.20

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Solution

The fourth proportional to 63,885.52, 88,164.80 and 35,591.20 is: 49,117.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,885.52 : 88,164.80 = 35,591.20 : x
  2. Step 2: Convert to fraction form
    63,885.52/88,164.80 = 35,591.20/x
  3. Step 3: Cross multiply
    63,885.52x = 88,164.80 × 35,591.20
  4. Step 4: Simplify right side
    63,885.52x = 3,137,891,029.76
  5. Step 5: Solve for x
    x = 3,137,891,029.76/63,885.52
  6. Step 6: Final answer
    x = 49,117.41

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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.