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Finding the Fourth Proportional to 8,767.73, 12,097.49 and 5,230.25

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Solution

The fourth proportional to 8,767.73, 12,097.49 and 5,230.25 is: 7,216.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.73 : 12,097.49 = 5,230.25 : x
  2. Step 2: Convert to fraction form
    8,767.73/12,097.49 = 5,230.25/x
  3. Step 3: Cross multiply
    8,767.73x = 12,097.49 × 5,230.25
  4. Step 4: Simplify right side
    8,767.73x = 63,272,870.92
  5. Step 5: Solve for x
    x = 63,272,870.92/8,767.73
  6. Step 6: Final answer
    x = 7,216.56

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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.