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Finding the Fourth Proportional to 22,132.46, 30,543.69 and 12,061.46

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Solution

The fourth proportional to 22,132.46, 30,543.69 and 12,061.46 is: 16,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,132.46 : 30,543.69 = 12,061.46 : x
  2. Step 2: Convert to fraction form
    22,132.46/30,543.69 = 12,061.46/x
  3. Step 3: Cross multiply
    22,132.46x = 30,543.69 × 12,061.46
  4. Step 4: Simplify right side
    22,132.46x = 368,401,495.19
  5. Step 5: Solve for x
    x = 368,401,495.19/22,132.46
  6. Step 6: Final answer
    x = 16,645.30

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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.