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Finding the Fourth Proportional to 51,452.26, 71,001.71 and 28,794.13

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Solution

The fourth proportional to 51,452.26, 71,001.71 and 28,794.13 is: 39,734.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,452.26 : 71,001.71 = 28,794.13 : x
  2. Step 2: Convert to fraction form
    51,452.26/71,001.71 = 28,794.13/x
  3. Step 3: Cross multiply
    51,452.26x = 71,001.71 × 28,794.13
  4. Step 4: Simplify right side
    51,452.26x = 2,044,432,323.99
  5. Step 5: Solve for x
    x = 2,044,432,323.99/51,452.26
  6. Step 6: Final answer
    x = 39,734.55

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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.