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Finding the Fourth Proportional to 7,098.39, 10,648.87 and 2,936.14

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Solution

The fourth proportional to 7,098.39, 10,648.87 and 2,936.14 is: 4,404.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098.39 : 10,648.87 = 2,936.14 : x
  2. Step 2: Convert to fraction form
    7,098.39/10,648.87 = 2,936.14/x
  3. Step 3: Cross multiply
    7,098.39x = 10,648.87 × 2,936.14
  4. Step 4: Simplify right side
    7,098.39x = 31,266,539.20
  5. Step 5: Solve for x
    x = 31,266,539.20/7,098.39
  6. Step 6: Final answer
    x = 4,404.74

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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.