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Finding the Fourth Proportional to 63,687.92, 87,885.08 and 35,006.96

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Solution

The fourth proportional to 63,687.92, 87,885.08 and 35,006.96 is: 48,307.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,687.92 : 87,885.08 = 35,006.96 : x
  2. Step 2: Convert to fraction form
    63,687.92/87,885.08 = 35,006.96/x
  3. Step 3: Cross multiply
    63,687.92x = 87,885.08 × 35,006.96
  4. Step 4: Simplify right side
    63,687.92x = 3,076,589,480.16
  5. Step 5: Solve for x
    x = 3,076,589,480.16/63,687.92
  6. Step 6: Final answer
    x = 48,307.27

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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.