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Finding the Fourth Proportional to 8,317.71, 12,472.81 and 2,393.25

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Solution

The fourth proportional to 8,317.71, 12,472.81 and 2,393.25 is: 3,588.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.71 : 12,472.81 = 2,393.25 : x
  2. Step 2: Convert to fraction form
    8,317.71/12,472.81 = 2,393.25/x
  3. Step 3: Cross multiply
    8,317.71x = 12,472.81 × 2,393.25
  4. Step 4: Simplify right side
    8,317.71x = 29,850,552.53
  5. Step 5: Solve for x
    x = 29,850,552.53/8,317.71
  6. Step 6: Final answer
    x = 3,588.79

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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.