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Finding the Fourth Proportional to 1,152.10, 1,591.03 and 733.24

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Solution

The fourth proportional to 1,152.10, 1,591.03 and 733.24 is: 1,012.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152.10 : 1,591.03 = 733.24 : x
  2. Step 2: Convert to fraction form
    1,152.10/1,591.03 = 733.24/x
  3. Step 3: Cross multiply
    1,152.10x = 1,591.03 × 733.24
  4. Step 4: Simplify right side
    1,152.10x = 1,166,606.84
  5. Step 5: Solve for x
    x = 1,166,606.84/1,152.10
  6. Step 6: Final answer
    x = 1,012.59

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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.