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Finding the Fourth Proportional to 3,493.33, 4,827.72 and 2,862.87

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Solution

The fourth proportional to 3,493.33, 4,827.72 and 2,862.87 is: 3,956.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.33 : 4,827.72 = 2,862.87 : x
  2. Step 2: Convert to fraction form
    3,493.33/4,827.72 = 2,862.87/x
  3. Step 3: Cross multiply
    3,493.33x = 4,827.72 × 2,862.87
  4. Step 4: Simplify right side
    3,493.33x = 13,821,111.28
  5. Step 5: Solve for x
    x = 13,821,111.28/3,493.33
  6. Step 6: Final answer
    x = 3,956.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.