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Finding the Fourth Proportional to 9,242.69, 13,862.86 and 2,579.69

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Solution

The fourth proportional to 9,242.69, 13,862.86 and 2,579.69 is: 3,869.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,242.69 : 13,862.86 = 2,579.69 : x
  2. Step 2: Convert to fraction form
    9,242.69/13,862.86 = 2,579.69/x
  3. Step 3: Cross multiply
    9,242.69x = 13,862.86 × 2,579.69
  4. Step 4: Simplify right side
    9,242.69x = 35,761,909.52
  5. Step 5: Solve for x
    x = 35,761,909.52/9,242.69
  6. Step 6: Final answer
    x = 3,869.21

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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.