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Finding the Fourth Proportional to 17,376.70, 26,064.84 and 4,229.10

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Solution

The fourth proportional to 17,376.70, 26,064.84 and 4,229.10 is: 6,343.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,376.70 : 26,064.84 = 4,229.10 : x
  2. Step 2: Convert to fraction form
    17,376.70/26,064.84 = 4,229.10/x
  3. Step 3: Cross multiply
    17,376.70x = 26,064.84 × 4,229.10
  4. Step 4: Simplify right side
    17,376.70x = 110,230,814.84
  5. Step 5: Solve for x
    x = 110,230,814.84/17,376.70
  6. Step 6: Final answer
    x = 6,343.60

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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.