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Finding the Fourth Proportional to 45,761.04, 68,626.98 and 14,589

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Solution

The fourth proportional to 45,761.04, 68,626.98 and 14,589 is: 21,878.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,761.04 : 68,626.98 = 14,589 : x
  2. Step 2: Convert to fraction form
    45,761.04/68,626.98 = 14,589/x
  3. Step 3: Cross multiply
    45,761.04x = 68,626.98 × 14,589
  4. Step 4: Simplify right side
    45,761.04x = 1,001,199,011.22
  5. Step 5: Solve for x
    x = 1,001,199,011.22/45,761.04
  6. Step 6: Final answer
    x = 21,878.85

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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.