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Finding the Fourth Proportional to 6,903.44, 10,335.18 and 6,191.18

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Solution

The fourth proportional to 6,903.44, 10,335.18 and 6,191.18 is: 9,268.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,903.44 : 10,335.18 = 6,191.18 : x
  2. Step 2: Convert to fraction form
    6,903.44/10,335.18 = 6,191.18/x
  3. Step 3: Cross multiply
    6,903.44x = 10,335.18 × 6,191.18
  4. Step 4: Simplify right side
    6,903.44x = 63,986,959.71
  5. Step 5: Solve for x
    x = 63,986,959.71/6,903.44
  6. Step 6: Final answer
    x = 9,268.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.