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Finding the Fourth Proportional to 63,171.60, 87,176.84 and 34,877.49

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Solution

The fourth proportional to 63,171.60, 87,176.84 and 34,877.49 is: 48,130.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,171.60 : 87,176.84 = 34,877.49 : x
  2. Step 2: Convert to fraction form
    63,171.60/87,176.84 = 34,877.49/x
  3. Step 3: Cross multiply
    63,171.60x = 87,176.84 × 34,877.49
  4. Step 4: Simplify right side
    63,171.60x = 3,040,509,190.94
  5. Step 5: Solve for x
    x = 3,040,509,190.94/63,171.60
  6. Step 6: Final answer
    x = 48,130.95

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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.