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Finding the Fourth Proportional to 8,349.66, 12,515.28 and 7,363.48

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Solution

The fourth proportional to 8,349.66, 12,515.28 and 7,363.48 is: 11,037.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.66 : 12,515.28 = 7,363.48 : x
  2. Step 2: Convert to fraction form
    8,349.66/12,515.28 = 7,363.48/x
  3. Step 3: Cross multiply
    8,349.66x = 12,515.28 × 7,363.48
  4. Step 4: Simplify right side
    8,349.66x = 92,156,013.97
  5. Step 5: Solve for x
    x = 92,156,013.97/8,349.66
  6. Step 6: Final answer
    x = 11,037.10

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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.