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Finding the Fourth Proportional to 54,900.95, 82,314.16 and 17,449.79

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Solution

The fourth proportional to 54,900.95, 82,314.16 and 17,449.79 is: 26,162.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,900.95 : 82,314.16 = 17,449.79 : x
  2. Step 2: Convert to fraction form
    54,900.95/82,314.16 = 17,449.79/x
  3. Step 3: Cross multiply
    54,900.95x = 82,314.16 × 17,449.79
  4. Step 4: Simplify right side
    54,900.95x = 1,436,364,350.83
  5. Step 5: Solve for x
    x = 1,436,364,350.83/54,900.95
  6. Step 6: Final answer
    x = 26,162.83

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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.