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Finding the Fourth Proportional to 12,333.92, 18,501.11 and 4,013.90

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Solution

The fourth proportional to 12,333.92, 18,501.11 and 4,013.90 is: 6,020.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,333.92 : 18,501.11 = 4,013.90 : x
  2. Step 2: Convert to fraction form
    12,333.92/18,501.11 = 4,013.90/x
  3. Step 3: Cross multiply
    12,333.92x = 18,501.11 × 4,013.90
  4. Step 4: Simplify right side
    12,333.92x = 74,261,681.35
  5. Step 5: Solve for x
    x = 74,261,681.35/12,333.92
  6. Step 6: Final answer
    x = 6,020.93

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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.