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Finding the Fourth Proportional to 12,034.43, 18,045.03 and 3,712.14

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Solution

The fourth proportional to 12,034.43, 18,045.03 and 3,712.14 is: 5,566.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,034.43 : 18,045.03 = 3,712.14 : x
  2. Step 2: Convert to fraction form
    12,034.43/18,045.03 = 3,712.14/x
  3. Step 3: Cross multiply
    12,034.43x = 18,045.03 × 3,712.14
  4. Step 4: Simplify right side
    12,034.43x = 66,985,691.58
  5. Step 5: Solve for x
    x = 66,985,691.58/12,034.43
  6. Step 6: Final answer
    x = 5,566.17

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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.