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Finding the Fourth Proportional to 5,012.16, 6,917.22 and 2,916.96

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Solution

The fourth proportional to 5,012.16, 6,917.22 and 2,916.96 is: 4,025.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.16 : 6,917.22 = 2,916.96 : x
  2. Step 2: Convert to fraction form
    5,012.16/6,917.22 = 2,916.96/x
  3. Step 3: Cross multiply
    5,012.16x = 6,917.22 × 2,916.96
  4. Step 4: Simplify right side
    5,012.16x = 20,177,254.05
  5. Step 5: Solve for x
    x = 20,177,254.05/5,012.16
  6. Step 6: Final answer
    x = 4,025.66

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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.