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Finding the Fourth Proportional to 5,980.68, 8,971.02 and 2,515.72

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Solution

The fourth proportional to 5,980.68, 8,971.02 and 2,515.72 is: 3,773.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,980.68 : 8,971.02 = 2,515.72 : x
  2. Step 2: Convert to fraction form
    5,980.68/8,971.02 = 2,515.72/x
  3. Step 3: Cross multiply
    5,980.68x = 8,971.02 × 2,515.72
  4. Step 4: Simplify right side
    5,980.68x = 22,568,574.43
  5. Step 5: Solve for x
    x = 22,568,574.43/5,980.68
  6. Step 6: Final answer
    x = 3,773.58

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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.