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Finding the Fourth Proportional to 17,761.67, 24,510.97 and 9,803.89

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Solution

The fourth proportional to 17,761.67, 24,510.97 and 9,803.89 is: 13,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,761.67 : 24,510.97 = 9,803.89 : x
  2. Step 2: Convert to fraction form
    17,761.67/24,510.97 = 9,803.89/x
  3. Step 3: Cross multiply
    17,761.67x = 24,510.97 × 9,803.89
  4. Step 4: Simplify right side
    17,761.67x = 240,302,859.80
  5. Step 5: Solve for x
    x = 240,302,859.80/17,761.67
  6. Step 6: Final answer
    x = 13,529.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.