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Finding the Fourth Proportional to 7,395.88, 10,207.92 and 4,873.72

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Solution

The fourth proportional to 7,395.88, 10,207.92 and 4,873.72 is: 6,726.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395.88 : 10,207.92 = 4,873.72 : x
  2. Step 2: Convert to fraction form
    7,395.88/10,207.92 = 4,873.72/x
  3. Step 3: Cross multiply
    7,395.88x = 10,207.92 × 4,873.72
  4. Step 4: Simplify right side
    7,395.88x = 49,750,543.86
  5. Step 5: Solve for x
    x = 49,750,543.86/7,395.88
  6. Step 6: Final answer
    x = 6,726.79

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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.