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Finding the Fourth Proportional to 12,065.97, 18,098.25 and 5,045.70

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Solution

The fourth proportional to 12,065.97, 18,098.25 and 5,045.70 is: 7,568.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,065.97 : 18,098.25 = 5,045.70 : x
  2. Step 2: Convert to fraction form
    12,065.97/18,098.25 = 5,045.70/x
  3. Step 3: Cross multiply
    12,065.97x = 18,098.25 × 5,045.70
  4. Step 4: Simplify right side
    12,065.97x = 91,318,340.03
  5. Step 5: Solve for x
    x = 91,318,340.03/12,065.97
  6. Step 6: Final answer
    x = 7,568.26

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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.