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Finding the Fourth Proportional to 39,207.88, 54,110.82 and 23,295.88

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Solution

The fourth proportional to 39,207.88, 54,110.82 and 23,295.88 is: 32,150.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,207.88 : 54,110.82 = 23,295.88 : x
  2. Step 2: Convert to fraction form
    39,207.88/54,110.82 = 23,295.88/x
  3. Step 3: Cross multiply
    39,207.88x = 54,110.82 × 23,295.88
  4. Step 4: Simplify right side
    39,207.88x = 1,260,559,169.42
  5. Step 5: Solve for x
    x = 1,260,559,169.42/39,207.88
  6. Step 6: Final answer
    x = 32,150.66

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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.