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Finding the Fourth Proportional to 7,292.97, 10,064.30 and 4,309.88

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Solution

The fourth proportional to 7,292.97, 10,064.30 and 4,309.88 is: 5,947.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,292.97 : 10,064.30 = 4,309.88 : x
  2. Step 2: Convert to fraction form
    7,292.97/10,064.30 = 4,309.88/x
  3. Step 3: Cross multiply
    7,292.97x = 10,064.30 × 4,309.88
  4. Step 4: Simplify right side
    7,292.97x = 43,375,853.41
  5. Step 5: Solve for x
    x = 43,375,853.41/7,292.97
  6. Step 6: Final answer
    x = 5,947.63

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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.