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Finding the Fourth Proportional to 65,589.56, 90,513.17 and 37,295.25

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Solution

The fourth proportional to 65,589.56, 90,513.17 and 37,295.25 is: 51,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,589.56 : 90,513.17 = 37,295.25 : x
  2. Step 2: Convert to fraction form
    65,589.56/90,513.17 = 37,295.25/x
  3. Step 3: Cross multiply
    65,589.56x = 90,513.17 × 37,295.25
  4. Step 4: Simplify right side
    65,589.56x = 3,375,711,303.44
  5. Step 5: Solve for x
    x = 3,375,711,303.44/65,589.56
  6. Step 6: Final answer
    x = 51,467.20

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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.