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Finding the Fourth Proportional to 43,480.80, 60,004.80 and 27,561.60

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Solution

The fourth proportional to 43,480.80, 60,004.80 and 27,561.60 is: 38,035.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,480.80 : 60,004.80 = 27,561.60 : x
  2. Step 2: Convert to fraction form
    43,480.80/60,004.80 = 27,561.60/x
  3. Step 3: Cross multiply
    43,480.80x = 60,004.80 × 27,561.60
  4. Step 4: Simplify right side
    43,480.80x = 1,653,828,295.68
  5. Step 5: Solve for x
    x = 1,653,828,295.68/43,480.80
  6. Step 6: Final answer
    x = 38,035.83

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1.5x scale

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.