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Finding the Fourth Proportional to 10,697.76, 14,759.46 and 5,981.13

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Solution

The fourth proportional to 10,697.76, 14,759.46 and 5,981.13 is: 8,252.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,697.76 : 14,759.46 = 5,981.13 : x
  2. Step 2: Convert to fraction form
    10,697.76/14,759.46 = 5,981.13/x
  3. Step 3: Cross multiply
    10,697.76x = 14,759.46 × 5,981.13
  4. Step 4: Simplify right side
    10,697.76x = 88,278,248.99
  5. Step 5: Solve for x
    x = 88,278,248.99/10,697.76
  6. Step 6: Final answer
    x = 8,252.03

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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.