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Finding the Fourth Proportional to 63,379.97, 87,464.21 and 37,885.10

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Solution

The fourth proportional to 63,379.97, 87,464.21 and 37,885.10 is: 52,281.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,379.97 : 87,464.21 = 37,885.10 : x
  2. Step 2: Convert to fraction form
    63,379.97/87,464.21 = 37,885.10/x
  3. Step 3: Cross multiply
    63,379.97x = 87,464.21 × 37,885.10
  4. Step 4: Simplify right side
    63,379.97x = 3,313,589,715.52
  5. Step 5: Solve for x
    x = 3,313,589,715.52/63,379.97
  6. Step 6: Final answer
    x = 52,281.34

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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.