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Finding the Fourth Proportional to 1,168.60, 1,750.32 and 801.76

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Solution

The fourth proportional to 1,168.60, 1,750.32 and 801.76 is: 1,200.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168.60 : 1,750.32 = 801.76 : x
  2. Step 2: Convert to fraction form
    1,168.60/1,750.32 = 801.76/x
  3. Step 3: Cross multiply
    1,168.60x = 1,750.32 × 801.76
  4. Step 4: Simplify right side
    1,168.60x = 1,403,336.56
  5. Step 5: Solve for x
    x = 1,403,336.56/1,168.60
  6. Step 6: Final answer
    x = 1,200.87

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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.