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Finding the Fourth Proportional to 8,589.06, 12,942.10 and 7,063.24

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Solution

The fourth proportional to 8,589.06, 12,942.10 and 7,063.24 is: 10,642.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589.06 : 12,942.10 = 7,063.24 : x
  2. Step 2: Convert to fraction form
    8,589.06/12,942.10 = 7,063.24/x
  3. Step 3: Cross multiply
    8,589.06x = 12,942.10 × 7,063.24
  4. Step 4: Simplify right side
    8,589.06x = 91,413,116.11
  5. Step 5: Solve for x
    x = 91,413,116.11/8,589.06
  6. Step 6: Final answer
    x = 10,642.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.