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Finding the Fourth Proportional to 36,891.60, 55,344.60 and 15,831.60

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Solution

The fourth proportional to 36,891.60, 55,344.60 and 15,831.60 is: 23,750.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,891.60 : 55,344.60 = 15,831.60 : x
  2. Step 2: Convert to fraction form
    36,891.60/55,344.60 = 15,831.60/x
  3. Step 3: Cross multiply
    36,891.60x = 55,344.60 × 15,831.60
  4. Step 4: Simplify right side
    36,891.60x = 876,193,569.36
  5. Step 5: Solve for x
    x = 876,193,569.36/36,891.60
  6. Step 6: Final answer
    x = 23,750.49

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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.