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Finding the Fourth Proportional to 65,592.88, 90,517.04 and 37,297.92

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Solution

The fourth proportional to 65,592.88, 90,517.04 and 37,297.92 is: 51,470.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,592.88 : 90,517.04 = 37,297.92 : x
  2. Step 2: Convert to fraction form
    65,592.88/90,517.04 = 37,297.92/x
  3. Step 3: Cross multiply
    65,592.88x = 90,517.04 × 37,297.92
  4. Step 4: Simplify right side
    65,592.88x = 3,376,097,316.56
  5. Step 5: Solve for x
    x = 3,376,097,316.56/65,592.88
  6. Step 6: Final answer
    x = 51,470.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.