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Finding the Fourth Proportional to 8,990.67, 13,490.55 and 6,062.82

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Solution

The fourth proportional to 8,990.67, 13,490.55 and 6,062.82 is: 9,097.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990.67 : 13,490.55 = 6,062.82 : x
  2. Step 2: Convert to fraction form
    8,990.67/13,490.55 = 6,062.82/x
  3. Step 3: Cross multiply
    8,990.67x = 13,490.55 × 6,062.82
  4. Step 4: Simplify right side
    8,990.67x = 81,790,776.35
  5. Step 5: Solve for x
    x = 81,790,776.35/8,990.67
  6. Step 6: Final answer
    x = 9,097.29

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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.