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Finding the Fourth Proportional to 22,815.73, 34,223.60 and 9,659.17

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Solution

The fourth proportional to 22,815.73, 34,223.60 and 9,659.17 is: 14,488.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,815.73 : 34,223.60 = 9,659.17 : x
  2. Step 2: Convert to fraction form
    22,815.73/34,223.60 = 9,659.17/x
  3. Step 3: Cross multiply
    22,815.73x = 34,223.60 × 9,659.17
  4. Step 4: Simplify right side
    22,815.73x = 330,571,570.41
  5. Step 5: Solve for x
    x = 330,571,570.41/22,815.73
  6. Step 6: Final answer
    x = 14,488.76

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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.