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Finding the Fourth Proportional to 2,351.22, 3,525.80 and 707.46

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Solution

The fourth proportional to 2,351.22, 3,525.80 and 707.46 is: 1,060.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.22 : 3,525.80 = 707.46 : x
  2. Step 2: Convert to fraction form
    2,351.22/3,525.80 = 707.46/x
  3. Step 3: Cross multiply
    2,351.22x = 3,525.80 × 707.46
  4. Step 4: Simplify right side
    2,351.22x = 2,494,362.47
  5. Step 5: Solve for x
    x = 2,494,362.47/2,351.22
  6. Step 6: Final answer
    x = 1,060.88

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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.