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Finding the Fourth Proportional to 3,584.32, 5,371.64 and 1,854.16

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Solution

The fourth proportional to 3,584.32, 5,371.64 and 1,854.16 is: 2,778.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584.32 : 5,371.64 = 1,854.16 : x
  2. Step 2: Convert to fraction form
    3,584.32/5,371.64 = 1,854.16/x
  3. Step 3: Cross multiply
    3,584.32x = 5,371.64 × 1,854.16
  4. Step 4: Simplify right side
    3,584.32x = 9,959,880.02
  5. Step 5: Solve for x
    x = 9,959,880.02/3,584.32
  6. Step 6: Final answer
    x = 2,778.74

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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.