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Finding the Fourth Proportional to 6,657.88, 9,179.34 and 5,458.52

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Solution

The fourth proportional to 6,657.88, 9,179.34 and 5,458.52 is: 7,525.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,657.88 : 9,179.34 = 5,458.52 : x
  2. Step 2: Convert to fraction form
    6,657.88/9,179.34 = 5,458.52/x
  3. Step 3: Cross multiply
    6,657.88x = 9,179.34 × 5,458.52
  4. Step 4: Simplify right side
    6,657.88x = 50,105,610.98
  5. Step 5: Solve for x
    x = 50,105,610.98/6,657.88
  6. Step 6: Final answer
    x = 7,525.76

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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.