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Finding the Fourth Proportional to 45,876.88, 63,314.28 and 27,972.88

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Solution

The fourth proportional to 45,876.88, 63,314.28 and 27,972.88 is: 38,605.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,876.88 : 63,314.28 = 27,972.88 : x
  2. Step 2: Convert to fraction form
    45,876.88/63,314.28 = 27,972.88/x
  3. Step 3: Cross multiply
    45,876.88x = 63,314.28 × 27,972.88
  4. Step 4: Simplify right side
    45,876.88x = 1,771,082,756.73
  5. Step 5: Solve for x
    x = 1,771,082,756.73/45,876.88
  6. Step 6: Final answer
    x = 38,605.13

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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.