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Finding the Fourth Proportional to 22,259.49, 33,340.70 and 11,146.80

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Solution

The fourth proportional to 22,259.49, 33,340.70 and 11,146.80 is: 16,695.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,259.49 : 33,340.70 = 11,146.80 : x
  2. Step 2: Convert to fraction form
    22,259.49/33,340.70 = 11,146.80/x
  3. Step 3: Cross multiply
    22,259.49x = 33,340.70 × 11,146.80
  4. Step 4: Simplify right side
    22,259.49x = 371,642,114.76
  5. Step 5: Solve for x
    x = 371,642,114.76/22,259.49
  6. Step 6: Final answer
    x = 16,695.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.