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Finding the Fourth Proportional to 6,948.06, 10,413.90 and 3,659.46

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Solution

The fourth proportional to 6,948.06, 10,413.90 and 3,659.46 is: 5,484.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,948.06 : 10,413.90 = 3,659.46 : x
  2. Step 2: Convert to fraction form
    6,948.06/10,413.90 = 3,659.46/x
  3. Step 3: Cross multiply
    6,948.06x = 10,413.90 × 3,659.46
  4. Step 4: Simplify right side
    6,948.06x = 38,109,250.49
  5. Step 5: Solve for x
    x = 38,109,250.49/6,948.06
  6. Step 6: Final answer
    x = 5,484.88

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1.5x scale

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.