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Finding the Fourth Proportional to 5,541.61, 7,650.24 and 4,279.83

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Solution

The fourth proportional to 5,541.61, 7,650.24 and 4,279.83 is: 5,908.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.61 : 7,650.24 = 4,279.83 : x
  2. Step 2: Convert to fraction form
    5,541.61/7,650.24 = 4,279.83/x
  3. Step 3: Cross multiply
    5,541.61x = 7,650.24 × 4,279.83
  4. Step 4: Simplify right side
    5,541.61x = 32,741,726.66
  5. Step 5: Solve for x
    x = 32,741,726.66/5,541.61
  6. Step 6: Final answer
    x = 5,908.34

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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.