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Finding the Fourth Proportional to 35,517.60, 53,319.60 and 26,683.20

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Solution

The fourth proportional to 35,517.60, 53,319.60 and 26,683.20 is: 40,057.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,517.60 : 53,319.60 = 26,683.20 : x
  2. Step 2: Convert to fraction form
    35,517.60/53,319.60 = 26,683.20/x
  3. Step 3: Cross multiply
    35,517.60x = 53,319.60 × 26,683.20
  4. Step 4: Simplify right side
    35,517.60x = 1,422,737,550.72
  5. Step 5: Solve for x
    x = 1,422,737,550.72/35,517.60
  6. Step 6: Final answer
    x = 40,057.25

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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.