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Finding the Fourth Proportional to 6,740.88, 10,147.72 and 6,062.74

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Solution

The fourth proportional to 6,740.88, 10,147.72 and 6,062.74 is: 9,126.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,740.88 : 10,147.72 = 6,062.74 : x
  2. Step 2: Convert to fraction form
    6,740.88/10,147.72 = 6,062.74/x
  3. Step 3: Cross multiply
    6,740.88x = 10,147.72 × 6,062.74
  4. Step 4: Simplify right side
    6,740.88x = 61,522,987.95
  5. Step 5: Solve for x
    x = 61,522,987.95/6,740.88
  6. Step 6: Final answer
    x = 9,126.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.