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Finding the Fourth Proportional to 1,232.46, 1,700.51 and 791.01

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Solution

The fourth proportional to 1,232.46, 1,700.51 and 791.01 is: 1,091.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.46 : 1,700.51 = 791.01 : x
  2. Step 2: Convert to fraction form
    1,232.46/1,700.51 = 791.01/x
  3. Step 3: Cross multiply
    1,232.46x = 1,700.51 × 791.01
  4. Step 4: Simplify right side
    1,232.46x = 1,345,116.46
  5. Step 5: Solve for x
    x = 1,345,116.46/1,232.46
  6. Step 6: Final answer
    x = 1,091.41

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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.