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Finding the Fourth Proportional to 5,314.66, 7,971.99 and 2,532.88

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Solution

The fourth proportional to 5,314.66, 7,971.99 and 2,532.88 is: 3,799.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314.66 : 7,971.99 = 2,532.88 : x
  2. Step 2: Convert to fraction form
    5,314.66/7,971.99 = 2,532.88/x
  3. Step 3: Cross multiply
    5,314.66x = 7,971.99 × 2,532.88
  4. Step 4: Simplify right side
    5,314.66x = 20,192,094.03
  5. Step 5: Solve for x
    x = 20,192,094.03/5,314.66
  6. Step 6: Final answer
    x = 3,799.32

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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.