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Finding the Fourth Proportional to 1,462.72, 2,017.74 and 873.16

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Solution

The fourth proportional to 1,462.72, 2,017.74 and 873.16 is: 1,204.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462.72 : 2,017.74 = 873.16 : x
  2. Step 2: Convert to fraction form
    1,462.72/2,017.74 = 873.16/x
  3. Step 3: Cross multiply
    1,462.72x = 2,017.74 × 873.16
  4. Step 4: Simplify right side
    1,462.72x = 1,761,809.86
  5. Step 5: Solve for x
    x = 1,761,809.86/1,462.72
  6. Step 6: Final answer
    x = 1,204.48

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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.