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Finding the Fourth Proportional to 1,754.76, 2,632.24 and 659.03

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Solution

The fourth proportional to 1,754.76, 2,632.24 and 659.03 is: 988.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.76 : 2,632.24 = 659.03 : x
  2. Step 2: Convert to fraction form
    1,754.76/2,632.24 = 659.03/x
  3. Step 3: Cross multiply
    1,754.76x = 2,632.24 × 659.03
  4. Step 4: Simplify right side
    1,754.76x = 1,734,725.13
  5. Step 5: Solve for x
    x = 1,734,725.13/1,754.76
  6. Step 6: Final answer
    x = 988.58

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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.