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Finding the Fourth Proportional to 61,192.69, 91,793.47 and 25,618.22

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Solution

The fourth proportional to 61,192.69, 91,793.47 and 25,618.22 is: 38,429.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,192.69 : 91,793.47 = 25,618.22 : x
  2. Step 2: Convert to fraction form
    61,192.69/91,793.47 = 25,618.22/x
  3. Step 3: Cross multiply
    61,192.69x = 91,793.47 × 25,618.22
  4. Step 4: Simplify right side
    61,192.69x = 2,351,585,309.02
  5. Step 5: Solve for x
    x = 2,351,585,309.02/61,192.69
  6. Step 6: Final answer
    x = 38,429.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.