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Finding the Fourth Proportional to 17,041.88, 25,562.82 and 7,807.88

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Solution

The fourth proportional to 17,041.88, 25,562.82 and 7,807.88 is: 11,711.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,041.88 : 25,562.82 = 7,807.88 : x
  2. Step 2: Convert to fraction form
    17,041.88/25,562.82 = 7,807.88/x
  3. Step 3: Cross multiply
    17,041.88x = 25,562.82 × 7,807.88
  4. Step 4: Simplify right side
    17,041.88x = 199,591,431.02
  5. Step 5: Solve for x
    x = 199,591,431.02/17,041.88
  6. Step 6: Final answer
    x = 11,711.82

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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.