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Finding the Fourth Proportional to 27,082.88, 37,374.88 and 15,147.53

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Solution

The fourth proportional to 27,082.88, 37,374.88 and 15,147.53 is: 20,903.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,082.88 : 37,374.88 = 15,147.53 : x
  2. Step 2: Convert to fraction form
    27,082.88/37,374.88 = 15,147.53/x
  3. Step 3: Cross multiply
    27,082.88x = 37,374.88 × 15,147.53
  4. Step 4: Simplify right side
    27,082.88x = 566,136,929.17
  5. Step 5: Solve for x
    x = 566,136,929.17/27,082.88
  6. Step 6: Final answer
    x = 20,903.87

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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.