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Finding the Fourth Proportional to 38,489.88, 53,101.74 and 22,568.52

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Solution

The fourth proportional to 38,489.88, 53,101.74 and 22,568.52 is: 31,136.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,489.88 : 53,101.74 = 22,568.52 : x
  2. Step 2: Convert to fraction form
    38,489.88/53,101.74 = 22,568.52/x
  3. Step 3: Cross multiply
    38,489.88x = 53,101.74 × 22,568.52
  4. Step 4: Simplify right side
    38,489.88x = 1,198,427,681.22
  5. Step 5: Solve for x
    x = 1,198,427,681.22/38,489.88
  6. Step 6: Final answer
    x = 31,136.18

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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.