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Finding the Fourth Proportional to 8,348.67, 12,508.80 and 7,297.10

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Solution

The fourth proportional to 8,348.67, 12,508.80 and 7,297.10 is: 10,933.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.67 : 12,508.80 = 7,297.10 : x
  2. Step 2: Convert to fraction form
    8,348.67/12,508.80 = 7,297.10/x
  3. Step 3: Cross multiply
    8,348.67x = 12,508.80 × 7,297.10
  4. Step 4: Simplify right side
    8,348.67x = 91,277,901.94
  5. Step 5: Solve for x
    x = 91,277,901.94/8,348.67
  6. Step 6: Final answer
    x = 10,933.23

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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.