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Finding the Fourth Proportional to 22,568.98, 34,008.66 and 18,706.98

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Solution

The fourth proportional to 22,568.98, 34,008.66 and 18,706.98 is: 28,189.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,568.98 : 34,008.66 = 18,706.98 : x
  2. Step 2: Convert to fraction form
    22,568.98/34,008.66 = 18,706.98/x
  3. Step 3: Cross multiply
    22,568.98x = 34,008.66 × 18,706.98
  4. Step 4: Simplify right side
    22,568.98x = 636,199,322.45
  5. Step 5: Solve for x
    x = 636,199,322.45/22,568.98
  6. Step 6: Final answer
    x = 28,189.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.