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Finding the Fourth Proportional to 2,174.66, 2,998.65 and 1,616.16

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Solution

The fourth proportional to 2,174.66, 2,998.65 and 1,616.16 is: 2,228.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.66 : 2,998.65 = 1,616.16 : x
  2. Step 2: Convert to fraction form
    2,174.66/2,998.65 = 1,616.16/x
  3. Step 3: Cross multiply
    2,174.66x = 2,998.65 × 1,616.16
  4. Step 4: Simplify right side
    2,174.66x = 4,846,298.18
  5. Step 5: Solve for x
    x = 4,846,298.18/2,174.66
  6. Step 6: Final answer
    x = 2,228.53

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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.