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Finding the Fourth Proportional to 8,900.65, 13,351.74 and 2,326.83

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Solution

The fourth proportional to 8,900.65, 13,351.74 and 2,326.83 is: 3,490.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.65 : 13,351.74 = 2,326.83 : x
  2. Step 2: Convert to fraction form
    8,900.65/13,351.74 = 2,326.83/x
  3. Step 3: Cross multiply
    8,900.65x = 13,351.74 × 2,326.83
  4. Step 4: Simplify right side
    8,900.65x = 31,067,229.18
  5. Step 5: Solve for x
    x = 31,067,229.18/8,900.65
  6. Step 6: Final answer
    x = 3,490.45

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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.