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Finding the Fourth Proportional to 9,104.88, 13,657.19 and 2,948.88

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Solution

The fourth proportional to 9,104.88, 13,657.19 and 2,948.88 is: 4,423.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,104.88 : 13,657.19 = 2,948.88 : x
  2. Step 2: Convert to fraction form
    9,104.88/13,657.19 = 2,948.88/x
  3. Step 3: Cross multiply
    9,104.88x = 13,657.19 × 2,948.88
  4. Step 4: Simplify right side
    9,104.88x = 40,273,399.70
  5. Step 5: Solve for x
    x = 40,273,399.70/9,104.88
  6. Step 6: Final answer
    x = 4,423.28

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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.