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Finding the Fourth Proportional to 6,195.80, 8,538.40 and 6,081.93

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Solution

The fourth proportional to 6,195.80, 8,538.40 and 6,081.93 is: 8,381.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,195.80 : 8,538.40 = 6,081.93 : x
  2. Step 2: Convert to fraction form
    6,195.80/8,538.40 = 6,081.93/x
  3. Step 3: Cross multiply
    6,195.80x = 8,538.40 × 6,081.93
  4. Step 4: Simplify right side
    6,195.80x = 51,929,951.11
  5. Step 5: Solve for x
    x = 51,929,951.11/6,195.80
  6. Step 6: Final answer
    x = 8,381.48

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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.