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Finding the Fourth Proportional to 2,867.71, 4,303.49 and 1,224.64

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Solution

The fourth proportional to 2,867.71, 4,303.49 and 1,224.64 is: 1,837.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.71 : 4,303.49 = 1,224.64 : x
  2. Step 2: Convert to fraction form
    2,867.71/4,303.49 = 1,224.64/x
  3. Step 3: Cross multiply
    2,867.71x = 4,303.49 × 1,224.64
  4. Step 4: Simplify right side
    2,867.71x = 5,270,225.99
  5. Step 5: Solve for x
    x = 5,270,225.99/2,867.71
  6. Step 6: Final answer
    x = 1,837.78

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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.