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Finding the Fourth Proportional to 6,818.67, 9,447.74 and 6,671.04

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Solution

The fourth proportional to 6,818.67, 9,447.74 and 6,671.04 is: 9,243.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.67 : 9,447.74 = 6,671.04 : x
  2. Step 2: Convert to fraction form
    6,818.67/9,447.74 = 6,671.04/x
  3. Step 3: Cross multiply
    6,818.67x = 9,447.74 × 6,671.04
  4. Step 4: Simplify right side
    6,818.67x = 63,026,218.09
  5. Step 5: Solve for x
    x = 63,026,218.09/6,818.67
  6. Step 6: Final answer
    x = 9,243.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.