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Finding the Fourth Proportional to 6,988.76, 10,482.90 and 1,794.68

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Solution

The fourth proportional to 6,988.76, 10,482.90 and 1,794.68 is: 2,691.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.76 : 10,482.90 = 1,794.68 : x
  2. Step 2: Convert to fraction form
    6,988.76/10,482.90 = 1,794.68/x
  3. Step 3: Cross multiply
    6,988.76x = 10,482.90 × 1,794.68
  4. Step 4: Simplify right side
    6,988.76x = 18,813,450.97
  5. Step 5: Solve for x
    x = 18,813,450.97/6,988.76
  6. Step 6: Final answer
    x = 2,691.96

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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.