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Finding the Fourth Proportional to 19,251.66, 26,567 and 10,753.90

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Solution

The fourth proportional to 19,251.66, 26,567 and 10,753.90 is: 14,840.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251.66 : 26,567 = 10,753.90 : x
  2. Step 2: Convert to fraction form
    19,251.66/26,567 = 10,753.90/x
  3. Step 3: Cross multiply
    19,251.66x = 26,567 × 10,753.90
  4. Step 4: Simplify right side
    19,251.66x = 285,698,861.30
  5. Step 5: Solve for x
    x = 285,698,861.30/19,251.66
  6. Step 6: Final answer
    x = 14,840.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.