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Finding the Fourth Proportional to 695.56, 1,041.54 and 675.04

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Solution

The fourth proportional to 695.56, 1,041.54 and 675.04 is: 1,010.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.56 : 1,041.54 = 675.04 : x
  2. Step 2: Convert to fraction form
    695.56/1,041.54 = 675.04/x
  3. Step 3: Cross multiply
    695.56x = 1,041.54 × 675.04
  4. Step 4: Simplify right side
    695.56x = 703,081.16
  5. Step 5: Solve for x
    x = 703,081.16/695.56
  6. Step 6: Final answer
    x = 1,010.81

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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.