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Finding the Fourth Proportional to 7,449.97, 10,279.50 and 4,264.24

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Solution

The fourth proportional to 7,449.97, 10,279.50 and 4,264.24 is: 5,883.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.97 : 10,279.50 = 4,264.24 : x
  2. Step 2: Convert to fraction form
    7,449.97/10,279.50 = 4,264.24/x
  3. Step 3: Cross multiply
    7,449.97x = 10,279.50 × 4,264.24
  4. Step 4: Simplify right side
    7,449.97x = 43,834,265.74
  5. Step 5: Solve for x
    x = 43,834,265.74/7,449.97
  6. Step 6: Final answer
    x = 5,883.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.