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Finding the Fourth Proportional to 54,748.97, 82,097.90 and 28,446.65

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Solution

The fourth proportional to 54,748.97, 82,097.90 and 28,446.65 is: 42,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,748.97 : 82,097.90 = 28,446.65 : x
  2. Step 2: Convert to fraction form
    54,748.97/82,097.90 = 28,446.65/x
  3. Step 3: Cross multiply
    54,748.97x = 82,097.90 × 28,446.65
  4. Step 4: Simplify right side
    54,748.97x = 2,335,410,227.04
  5. Step 5: Solve for x
    x = 2,335,410,227.04/54,748.97
  6. Step 6: Final answer
    x = 42,656.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.