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Finding the Fourth Proportional to 6,808.32, 9,397.01 and 4,449.13

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Solution

The fourth proportional to 6,808.32, 9,397.01 and 4,449.13 is: 6,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,808.32 : 9,397.01 = 4,449.13 : x
  2. Step 2: Convert to fraction form
    6,808.32/9,397.01 = 4,449.13/x
  3. Step 3: Cross multiply
    6,808.32x = 9,397.01 × 4,449.13
  4. Step 4: Simplify right side
    6,808.32x = 41,808,506.73
  5. Step 5: Solve for x
    x = 41,808,506.73/6,808.32
  6. Step 6: Final answer
    x = 6,140.80

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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.