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Finding the Fourth Proportional to 10,759.61, 16,138.79 and 4,834.97

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Solution

The fourth proportional to 10,759.61, 16,138.79 and 4,834.97 is: 7,252.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,759.61 : 16,138.79 = 4,834.97 : x
  2. Step 2: Convert to fraction form
    10,759.61/16,138.79 = 4,834.97/x
  3. Step 3: Cross multiply
    10,759.61x = 16,138.79 × 4,834.97
  4. Step 4: Simplify right side
    10,759.61x = 78,030,617.92
  5. Step 5: Solve for x
    x = 78,030,617.92/10,759.61
  6. Step 6: Final answer
    x = 7,252.18

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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.