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Finding the Fourth Proportional to 16,750.80, 25,126.44 and 6,890.16

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Solution

The fourth proportional to 16,750.80, 25,126.44 and 6,890.16 is: 10,335.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,750.80 : 25,126.44 = 6,890.16 : x
  2. Step 2: Convert to fraction form
    16,750.80/25,126.44 = 6,890.16/x
  3. Step 3: Cross multiply
    16,750.80x = 25,126.44 × 6,890.16
  4. Step 4: Simplify right side
    16,750.80x = 173,125,191.83
  5. Step 5: Solve for x
    x = 173,125,191.83/16,750.80
  6. Step 6: Final answer
    x = 10,335.34

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1.5x scale

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.