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Finding the Fourth Proportional to 25,132.53, 37,672.53 and 8,486.85

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Solution

The fourth proportional to 25,132.53, 37,672.53 and 8,486.85 is: 12,721.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,132.53 : 37,672.53 = 8,486.85 : x
  2. Step 2: Convert to fraction form
    25,132.53/37,672.53 = 8,486.85/x
  3. Step 3: Cross multiply
    25,132.53x = 37,672.53 × 8,486.85
  4. Step 4: Simplify right side
    25,132.53x = 319,721,111.23
  5. Step 5: Solve for x
    x = 319,721,111.23/25,132.53
  6. Step 6: Final answer
    x = 12,721.41

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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.