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Finding the Fourth Proportional to 22,750.98, 34,069.50 and 14,405.82

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Solution

The fourth proportional to 22,750.98, 34,069.50 and 14,405.82 is: 21,572.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,750.98 : 34,069.50 = 14,405.82 : x
  2. Step 2: Convert to fraction form
    22,750.98/34,069.50 = 14,405.82/x
  3. Step 3: Cross multiply
    22,750.98x = 34,069.50 × 14,405.82
  4. Step 4: Simplify right side
    22,750.98x = 490,799,084.49
  5. Step 5: Solve for x
    x = 490,799,084.49/22,750.98
  6. Step 6: Final answer
    x = 21,572.66

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Why These Related Problems?

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