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Finding the Fourth Proportional to 8,952.24, 12,349.11 and 8,318.70

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Solution

The fourth proportional to 8,952.24, 12,349.11 and 8,318.70 is: 11,475.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,952.24 : 12,349.11 = 8,318.70 : x
  2. Step 2: Convert to fraction form
    8,952.24/12,349.11 = 8,318.70/x
  3. Step 3: Cross multiply
    8,952.24x = 12,349.11 × 8,318.70
  4. Step 4: Simplify right side
    8,952.24x = 102,728,541.36
  5. Step 5: Solve for x
    x = 102,728,541.36/8,952.24
  6. Step 6: Final answer
    x = 11,475.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.