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Finding the Fourth Proportional to 1,502.37, 2,250.32 and 731.25

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Solution

The fourth proportional to 1,502.37, 2,250.32 and 731.25 is: 1,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.37 : 2,250.32 = 731.25 : x
  2. Step 2: Convert to fraction form
    1,502.37/2,250.32 = 731.25/x
  3. Step 3: Cross multiply
    1,502.37x = 2,250.32 × 731.25
  4. Step 4: Simplify right side
    1,502.37x = 1,645,542.84
  5. Step 5: Solve for x
    x = 1,645,542.84/1,502.37
  6. Step 6: Final answer
    x = 1,095.30

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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.