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Finding the Fourth Proportional to 28,599.82, 42,908.87 and 8,882.26

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Solution

The fourth proportional to 28,599.82, 42,908.87 and 8,882.26 is: 13,326.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,599.82 : 42,908.87 = 8,882.26 : x
  2. Step 2: Convert to fraction form
    28,599.82/42,908.87 = 8,882.26/x
  3. Step 3: Cross multiply
    28,599.82x = 42,908.87 × 8,882.26
  4. Step 4: Simplify right side
    28,599.82x = 381,127,739.65
  5. Step 5: Solve for x
    x = 381,127,739.65/28,599.82
  6. Step 6: Final answer
    x = 13,326.23

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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.