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Finding the Fourth Proportional to 67,831.36, 93,605.60 and 37,616.80

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Solution

The fourth proportional to 67,831.36, 93,605.60 and 37,616.80 is: 51,910.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,831.36 : 93,605.60 = 37,616.80 : x
  2. Step 2: Convert to fraction form
    67,831.36/93,605.60 = 37,616.80/x
  3. Step 3: Cross multiply
    67,831.36x = 93,605.60 × 37,616.80
  4. Step 4: Simplify right side
    67,831.36x = 3,521,143,134.08
  5. Step 5: Solve for x
    x = 3,521,143,134.08/67,831.36
  6. Step 6: Final answer
    x = 51,910.25

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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.