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Finding the Fourth Proportional to 7,104.97, 10,641.97 and 5,858.38

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Solution

The fourth proportional to 7,104.97, 10,641.97 and 5,858.38 is: 8,774.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.97 : 10,641.97 = 5,858.38 : x
  2. Step 2: Convert to fraction form
    7,104.97/10,641.97 = 5,858.38/x
  3. Step 3: Cross multiply
    7,104.97x = 10,641.97 × 5,858.38
  4. Step 4: Simplify right side
    7,104.97x = 62,344,704.21
  5. Step 5: Solve for x
    x = 62,344,704.21/7,104.97
  6. Step 6: Final answer
    x = 8,774.80

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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.