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Finding the Fourth Proportional to 1,336.76, 2,003.32 and 752.04

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Solution

The fourth proportional to 1,336.76, 2,003.32 and 752.04 is: 1,127.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.76 : 2,003.32 = 752.04 : x
  2. Step 2: Convert to fraction form
    1,336.76/2,003.32 = 752.04/x
  3. Step 3: Cross multiply
    1,336.76x = 2,003.32 × 752.04
  4. Step 4: Simplify right side
    1,336.76x = 1,506,576.77
  5. Step 5: Solve for x
    x = 1,506,576.77/1,336.76
  6. Step 6: Final answer
    x = 1,127.04

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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.