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Finding the Fourth Proportional to 85,060.68, 127,609.47 and 25,894.82

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Solution

The fourth proportional to 85,060.68, 127,609.47 and 25,894.82 is: 38,847.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,060.68 : 127,609.47 = 25,894.82 : x
  2. Step 2: Convert to fraction form
    85,060.68/127,609.47 = 25,894.82/x
  3. Step 3: Cross multiply
    85,060.68x = 127,609.47 × 25,894.82
  4. Step 4: Simplify right side
    85,060.68x = 3,304,424,255.95
  5. Step 5: Solve for x
    x = 3,304,424,255.95/85,060.68
  6. Step 6: Final answer
    x = 38,847.85

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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.