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Finding the Fourth Proportional to 16,663.68, 25,000.38 and 6,801.12

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Solution

The fourth proportional to 16,663.68, 25,000.38 and 6,801.12 is: 10,203.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,663.68 : 25,000.38 = 6,801.12 : x
  2. Step 2: Convert to fraction form
    16,663.68/25,000.38 = 6,801.12/x
  3. Step 3: Cross multiply
    16,663.68x = 25,000.38 × 6,801.12
  4. Step 4: Simplify right side
    16,663.68x = 170,030,584.43
  5. Step 5: Solve for x
    x = 170,030,584.43/16,663.68
  6. Step 6: Final answer
    x = 10,203.66

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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.