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Finding the Fourth Proportional to 7,293.88, 10,064.54 and 4,149.72

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Solution

The fourth proportional to 7,293.88, 10,064.54 and 4,149.72 is: 5,726.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,293.88 : 10,064.54 = 4,149.72 : x
  2. Step 2: Convert to fraction form
    7,293.88/10,064.54 = 4,149.72/x
  3. Step 3: Cross multiply
    7,293.88x = 10,064.54 × 4,149.72
  4. Step 4: Simplify right side
    7,293.88x = 41,765,022.93
  5. Step 5: Solve for x
    x = 41,765,022.93/7,293.88
  6. Step 6: Final answer
    x = 5,726.04

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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.