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Finding the Fourth Proportional to 1,748.56, 2,413.02 and 962.61

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Solution

The fourth proportional to 1,748.56, 2,413.02 and 962.61 is: 1,328.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.56 : 2,413.02 = 962.61 : x
  2. Step 2: Convert to fraction form
    1,748.56/2,413.02 = 962.61/x
  3. Step 3: Cross multiply
    1,748.56x = 2,413.02 × 962.61
  4. Step 4: Simplify right side
    1,748.56x = 2,322,797.18
  5. Step 5: Solve for x
    x = 2,322,797.18/1,748.56
  6. Step 6: Final answer
    x = 1,328.41

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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.