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Finding the Fourth Proportional to 17,759.66, 26,616.87 and 9,443.66

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Solution

The fourth proportional to 17,759.66, 26,616.87 and 9,443.66 is: 14,153.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,759.66 : 26,616.87 = 9,443.66 : x
  2. Step 2: Convert to fraction form
    17,759.66/26,616.87 = 9,443.66/x
  3. Step 3: Cross multiply
    17,759.66x = 26,616.87 × 9,443.66
  4. Step 4: Simplify right side
    17,759.66x = 251,360,737.09
  5. Step 5: Solve for x
    x = 251,360,737.09/17,759.66
  6. Step 6: Final answer
    x = 14,153.46

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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.