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Finding the Fourth Proportional to 38,810.80, 58,129.80 and 33,626.80

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Solution

The fourth proportional to 38,810.80, 58,129.80 and 33,626.80 is: 50,365.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,810.80 : 58,129.80 = 33,626.80 : x
  2. Step 2: Convert to fraction form
    38,810.80/58,129.80 = 33,626.80/x
  3. Step 3: Cross multiply
    38,810.80x = 58,129.80 × 33,626.80
  4. Step 4: Simplify right side
    38,810.80x = 1,954,719,158.64
  5. Step 5: Solve for x
    x = 1,954,719,158.64/38,810.80
  6. Step 6: Final answer
    x = 50,365.34

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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.