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Finding the Fourth Proportional to 16,751.84, 25,132.38 and 7,399.32

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Solution

The fourth proportional to 16,751.84, 25,132.38 and 7,399.32 is: 11,101.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,751.84 : 25,132.38 = 7,399.32 : x
  2. Step 2: Convert to fraction form
    16,751.84/25,132.38 = 7,399.32/x
  3. Step 3: Cross multiply
    16,751.84x = 25,132.38 × 7,399.32
  4. Step 4: Simplify right side
    16,751.84x = 185,962,521.98
  5. Step 5: Solve for x
    x = 185,962,521.98/16,751.84
  6. Step 6: Final answer
    x = 11,101.02

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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.