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Finding the Fourth Proportional to 1,234.53, 1,848.11 and 746.10

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Solution

The fourth proportional to 1,234.53, 1,848.11 and 746.10 is: 1,116.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234.53 : 1,848.11 = 746.10 : x
  2. Step 2: Convert to fraction form
    1,234.53/1,848.11 = 746.10/x
  3. Step 3: Cross multiply
    1,234.53x = 1,848.11 × 746.10
  4. Step 4: Simplify right side
    1,234.53x = 1,378,871.14
  5. Step 5: Solve for x
    x = 1,378,871.14/1,234.53
  6. Step 6: Final answer
    x = 1,116.92

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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.