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Finding the Fourth Proportional to 35,377.66, 53,055.22 and 11,680.80

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Solution

The fourth proportional to 35,377.66, 53,055.22 and 11,680.80 is: 17,517.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,377.66 : 53,055.22 = 11,680.80 : x
  2. Step 2: Convert to fraction form
    35,377.66/53,055.22 = 11,680.80/x
  3. Step 3: Cross multiply
    35,377.66x = 53,055.22 × 11,680.80
  4. Step 4: Simplify right side
    35,377.66x = 619,727,413.78
  5. Step 5: Solve for x
    x = 619,727,413.78/35,377.66
  6. Step 6: Final answer
    x = 17,517.48

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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.