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Finding the Fourth Proportional to 65,589.58, 90,510.42 and 37,294.66

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Solution

The fourth proportional to 65,589.58, 90,510.42 and 37,294.66 is: 51,464.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,589.58 : 90,510.42 = 37,294.66 : x
  2. Step 2: Convert to fraction form
    65,589.58/90,510.42 = 37,294.66/x
  3. Step 3: Cross multiply
    65,589.58x = 90,510.42 × 37,294.66
  4. Step 4: Simplify right side
    65,589.58x = 3,375,555,340.36
  5. Step 5: Solve for x
    x = 3,375,555,340.36/65,589.58
  6. Step 6: Final answer
    x = 51,464.81

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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.