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Finding the Fourth Proportional to 12,064.70, 18,092.19 and 5,040.11

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Solution

The fourth proportional to 12,064.70, 18,092.19 and 5,040.11 is: 7,558.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,064.70 : 18,092.19 = 5,040.11 : x
  2. Step 2: Convert to fraction form
    12,064.70/18,092.19 = 5,040.11/x
  3. Step 3: Cross multiply
    12,064.70x = 18,092.19 × 5,040.11
  4. Step 4: Simplify right side
    12,064.70x = 91,186,627.74
  5. Step 5: Solve for x
    x = 91,186,627.74/12,064.70
  6. Step 6: Final answer
    x = 7,558.13

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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.