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Finding the Fourth Proportional to 2,916.13, 4,027.11 and 2,494.03

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Solution

The fourth proportional to 2,916.13, 4,027.11 and 2,494.03 is: 3,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.13 : 4,027.11 = 2,494.03 : x
  2. Step 2: Convert to fraction form
    2,916.13/4,027.11 = 2,494.03/x
  3. Step 3: Cross multiply
    2,916.13x = 4,027.11 × 2,494.03
  4. Step 4: Simplify right side
    2,916.13x = 10,043,733.15
  5. Step 5: Solve for x
    x = 10,043,733.15/2,916.13
  6. Step 6: Final answer
    x = 3,444.20

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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.