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Finding the Fourth Proportional to 17,798.56, 26,697.80 and 16,716

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Solution

The fourth proportional to 17,798.56, 26,697.80 and 16,716 is: 25,073.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,798.56 : 26,697.80 = 16,716 : x
  2. Step 2: Convert to fraction form
    17,798.56/26,697.80 = 16,716/x
  3. Step 3: Cross multiply
    17,798.56x = 26,697.80 × 16,716
  4. Step 4: Simplify right side
    17,798.56x = 446,280,424.80
  5. Step 5: Solve for x
    x = 446,280,424.80/17,798.56
  6. Step 6: Final answer
    x = 25,073.96

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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.