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Finding the Fourth Proportional to 22,060.73, 30,430.10 and 13,101.77

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Solution

The fourth proportional to 22,060.73, 30,430.10 and 13,101.77 is: 18,072.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,060.73 : 30,430.10 = 13,101.77 : x
  2. Step 2: Convert to fraction form
    22,060.73/30,430.10 = 13,101.77/x
  3. Step 3: Cross multiply
    22,060.73x = 30,430.10 × 13,101.77
  4. Step 4: Simplify right side
    22,060.73x = 398,688,105.77
  5. Step 5: Solve for x
    x = 398,688,105.77/22,060.73
  6. Step 6: Final answer
    x = 18,072.30

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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.