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Finding the Fourth Proportional to 63,607.64, 87,769.85 and 38,108.30

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Solution

The fourth proportional to 63,607.64, 87,769.85 and 38,108.30 is: 52,584.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,607.64 : 87,769.85 = 38,108.30 : x
  2. Step 2: Convert to fraction form
    63,607.64/87,769.85 = 38,108.30/x
  3. Step 3: Cross multiply
    63,607.64x = 87,769.85 × 38,108.30
  4. Step 4: Simplify right side
    63,607.64x = 3,344,759,145.36
  5. Step 5: Solve for x
    x = 3,344,759,145.36/63,607.64
  6. Step 6: Final answer
    x = 52,584.24

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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.