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Finding the Fourth Proportional to 22,002.34, 30,363.06 and 11,930.76

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Solution

The fourth proportional to 22,002.34, 30,363.06 and 11,930.76 is: 16,464.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,002.34 : 30,363.06 = 11,930.76 : x
  2. Step 2: Convert to fraction form
    22,002.34/30,363.06 = 11,930.76/x
  3. Step 3: Cross multiply
    22,002.34x = 30,363.06 × 11,930.76
  4. Step 4: Simplify right side
    22,002.34x = 362,254,521.00
  5. Step 5: Solve for x
    x = 362,254,521.00/22,002.34
  6. Step 6: Final answer
    x = 16,464.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.