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Finding the Fourth Proportional to 2,874.16, 3,962.16 and 2,032.24

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Solution

The fourth proportional to 2,874.16, 3,962.16 and 2,032.24 is: 2,801.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.16 : 3,962.16 = 2,032.24 : x
  2. Step 2: Convert to fraction form
    2,874.16/3,962.16 = 2,032.24/x
  3. Step 3: Cross multiply
    2,874.16x = 3,962.16 × 2,032.24
  4. Step 4: Simplify right side
    2,874.16x = 8,052,060.04
  5. Step 5: Solve for x
    x = 8,052,060.04/2,874.16
  6. Step 6: Final answer
    x = 2,801.54

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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.