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Finding the Fourth Proportional to 25,627.38, 38,447.54 and 7,159.38

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Solution

The fourth proportional to 25,627.38, 38,447.54 and 7,159.38 is: 10,740.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,627.38 : 38,447.54 = 7,159.38 : x
  2. Step 2: Convert to fraction form
    25,627.38/38,447.54 = 7,159.38/x
  3. Step 3: Cross multiply
    25,627.38x = 38,447.54 × 7,159.38
  4. Step 4: Simplify right side
    25,627.38x = 275,260,548.93
  5. Step 5: Solve for x
    x = 275,260,548.93/25,627.38
  6. Step 6: Final answer
    x = 10,740.88

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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.