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Finding the Fourth Proportional to 17,029.84, 25,535.90 and 7,661.76

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Solution

The fourth proportional to 17,029.84, 25,535.90 and 7,661.76 is: 11,488.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,029.84 : 25,535.90 = 7,661.76 : x
  2. Step 2: Convert to fraction form
    17,029.84/25,535.90 = 7,661.76/x
  3. Step 3: Cross multiply
    17,029.84x = 25,535.90 × 7,661.76
  4. Step 4: Simplify right side
    17,029.84x = 195,649,937.18
  5. Step 5: Solve for x
    x = 195,649,937.18/17,029.84
  6. Step 6: Final answer
    x = 11,488.65

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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.