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Finding the Fourth Proportional to 12,832.65, 17,706.03 and 7,451.89

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Solution

The fourth proportional to 12,832.65, 17,706.03 and 7,451.89 is: 10,281.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,832.65 : 17,706.03 = 7,451.89 : x
  2. Step 2: Convert to fraction form
    12,832.65/17,706.03 = 7,451.89/x
  3. Step 3: Cross multiply
    12,832.65x = 17,706.03 × 7,451.89
  4. Step 4: Simplify right side
    12,832.65x = 131,943,343.63
  5. Step 5: Solve for x
    x = 131,943,343.63/12,832.65
  6. Step 6: Final answer
    x = 10,281.85

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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.