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Finding the Fourth Proportional to 22,130.68, 33,175.93 and 11,040.77

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Solution

The fourth proportional to 22,130.68, 33,175.93 and 11,040.77 is: 16,551.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,130.68 : 33,175.93 = 11,040.77 : x
  2. Step 2: Convert to fraction form
    22,130.68/33,175.93 = 11,040.77/x
  3. Step 3: Cross multiply
    22,130.68x = 33,175.93 × 11,040.77
  4. Step 4: Simplify right side
    22,130.68x = 366,287,812.67
  5. Step 5: Solve for x
    x = 366,287,812.67/22,130.68
  6. Step 6: Final answer
    x = 16,551.13

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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.