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Finding the Fourth Proportional to 65,323.26, 90,144.36 and 37,028.88

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Solution

The fourth proportional to 65,323.26, 90,144.36 and 37,028.88 is: 51,098.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,323.26 : 90,144.36 = 37,028.88 : x
  2. Step 2: Convert to fraction form
    65,323.26/90,144.36 = 37,028.88/x
  3. Step 3: Cross multiply
    65,323.26x = 90,144.36 × 37,028.88
  4. Step 4: Simplify right side
    65,323.26x = 3,337,944,689.12
  5. Step 5: Solve for x
    x = 3,337,944,689.12/65,323.26
  6. Step 6: Final answer
    x = 51,098.87

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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.