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Finding the Fourth Proportional to 12,522.77, 18,754.33 and 7,246.66

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Solution

The fourth proportional to 12,522.77, 18,754.33 and 7,246.66 is: 10,852.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,522.77 : 18,754.33 = 7,246.66 : x
  2. Step 2: Convert to fraction form
    12,522.77/18,754.33 = 7,246.66/x
  3. Step 3: Cross multiply
    12,522.77x = 18,754.33 × 7,246.66
  4. Step 4: Simplify right side
    12,522.77x = 135,906,123.03
  5. Step 5: Solve for x
    x = 135,906,123.03/12,522.77
  6. Step 6: Final answer
    x = 10,852.72

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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.