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Finding the Fourth Proportional to 1,461.53, 2,016.92 and 832.02

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Solution

The fourth proportional to 1,461.53, 2,016.92 and 832.02 is: 1,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.53 : 2,016.92 = 832.02 : x
  2. Step 2: Convert to fraction form
    1,461.53/2,016.92 = 832.02/x
  3. Step 3: Cross multiply
    1,461.53x = 2,016.92 × 832.02
  4. Step 4: Simplify right side
    1,461.53x = 1,678,118.96
  5. Step 5: Solve for x
    x = 1,678,118.96/1,461.53
  6. Step 6: Final answer
    x = 1,148.20

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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.