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Finding the Fourth Proportional to 1,151.49, 1,727.96 and 535.26

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Solution

The fourth proportional to 1,151.49, 1,727.96 and 535.26 is: 803.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151.49 : 1,727.96 = 535.26 : x
  2. Step 2: Convert to fraction form
    1,151.49/1,727.96 = 535.26/x
  3. Step 3: Cross multiply
    1,151.49x = 1,727.96 × 535.26
  4. Step 4: Simplify right side
    1,151.49x = 924,907.87
  5. Step 5: Solve for x
    x = 924,907.87/1,151.49
  6. Step 6: Final answer
    x = 803.23

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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.