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Finding the Fourth Proportional to 64,370.52, 88,831.20 and 36,076.20

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Solution

The fourth proportional to 64,370.52, 88,831.20 and 36,076.20 is: 49,785.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,370.52 : 88,831.20 = 36,076.20 : x
  2. Step 2: Convert to fraction form
    64,370.52/88,831.20 = 36,076.20/x
  3. Step 3: Cross multiply
    64,370.52x = 88,831.20 × 36,076.20
  4. Step 4: Simplify right side
    64,370.52x = 3,204,692,137.44
  5. Step 5: Solve for x
    x = 3,204,692,137.44/64,370.52
  6. Step 6: Final answer
    x = 49,785.09

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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.