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Finding the Fourth Proportional to 2,475.84, 3,714.21 and 832.53

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Solution

The fourth proportional to 2,475.84, 3,714.21 and 832.53 is: 1,248.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.84 : 3,714.21 = 832.53 : x
  2. Step 2: Convert to fraction form
    2,475.84/3,714.21 = 832.53/x
  3. Step 3: Cross multiply
    2,475.84x = 3,714.21 × 832.53
  4. Step 4: Simplify right side
    2,475.84x = 3,092,191.25
  5. Step 5: Solve for x
    x = 3,092,191.25/2,475.84
  6. Step 6: Final answer
    x = 1,248.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.