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Finding the Fourth Proportional to 4,568.74, 6,851.91 and 1,971.10

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Solution

The fourth proportional to 4,568.74, 6,851.91 and 1,971.10 is: 2,956.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,568.74 : 6,851.91 = 1,971.10 : x
  2. Step 2: Convert to fraction form
    4,568.74/6,851.91 = 1,971.10/x
  3. Step 3: Cross multiply
    4,568.74x = 6,851.91 × 1,971.10
  4. Step 4: Simplify right side
    4,568.74x = 13,505,799.80
  5. Step 5: Solve for x
    x = 13,505,799.80/4,568.74
  6. Step 6: Final answer
    x = 2,956.13

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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.