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Finding the Fourth Proportional to 25,695.39, 38,549.55 and 7,227.39

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Solution

The fourth proportional to 25,695.39, 38,549.55 and 7,227.39 is: 10,842.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,695.39 : 38,549.55 = 7,227.39 : x
  2. Step 2: Convert to fraction form
    25,695.39/38,549.55 = 7,227.39/x
  3. Step 3: Cross multiply
    25,695.39x = 38,549.55 × 7,227.39
  4. Step 4: Simplify right side
    25,695.39x = 278,612,632.17
  5. Step 5: Solve for x
    x = 278,612,632.17/25,695.39
  6. Step 6: Final answer
    x = 10,842.90

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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.