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Finding the Fourth Proportional to 69,459.62, 95,849.51 and 39,246.21

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Solution

The fourth proportional to 69,459.62, 95,849.51 and 39,246.21 is: 54,157.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,459.62 : 95,849.51 = 39,246.21 : x
  2. Step 2: Convert to fraction form
    69,459.62/95,849.51 = 39,246.21/x
  3. Step 3: Cross multiply
    69,459.62x = 95,849.51 × 39,246.21
  4. Step 4: Simplify right side
    69,459.62x = 3,761,730,095.97
  5. Step 5: Solve for x
    x = 3,761,730,095.97/69,459.62
  6. Step 6: Final answer
    x = 54,157.08

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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.