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Finding the Fourth Proportional to 69,384.08, 95,742.67 and 39,167.49

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Solution

The fourth proportional to 69,384.08, 95,742.67 and 39,167.49 is: 54,046.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,384.08 : 95,742.67 = 39,167.49 : x
  2. Step 2: Convert to fraction form
    69,384.08/95,742.67 = 39,167.49/x
  3. Step 3: Cross multiply
    69,384.08x = 95,742.67 × 39,167.49
  4. Step 4: Simplify right side
    69,384.08x = 3,750,000,069.80
  5. Step 5: Solve for x
    x = 3,750,000,069.80/69,384.08
  6. Step 6: Final answer
    x = 54,046.98

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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.