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Finding the Fourth Proportional to 45,755.98, 63,139.82 and 27,849.02

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Solution

The fourth proportional to 45,755.98, 63,139.82 and 27,849.02 is: 38,429.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,755.98 : 63,139.82 = 27,849.02 : x
  2. Step 2: Convert to fraction form
    45,755.98/63,139.82 = 27,849.02/x
  3. Step 3: Cross multiply
    45,755.98x = 63,139.82 × 27,849.02
  4. Step 4: Simplify right side
    45,755.98x = 1,758,381,655.03
  5. Step 5: Solve for x
    x = 1,758,381,655.03/45,755.98
  6. Step 6: Final answer
    x = 38,429.55

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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.