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Finding the Fourth Proportional to 25,598.44, 38,394.78 and 7,131.88

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Solution

The fourth proportional to 25,598.44, 38,394.78 and 7,131.88 is: 10,697.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,598.44 : 38,394.78 = 7,131.88 : x
  2. Step 2: Convert to fraction form
    25,598.44/38,394.78 = 7,131.88/x
  3. Step 3: Cross multiply
    25,598.44x = 38,394.78 × 7,131.88
  4. Step 4: Simplify right side
    25,598.44x = 273,826,963.59
  5. Step 5: Solve for x
    x = 273,826,963.59/25,598.44
  6. Step 6: Final answer
    x = 10,697.02

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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.