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Finding the Fourth Proportional to 57,957.28, 80,005.64 and 37,831.41

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Solution

The fourth proportional to 57,957.28, 80,005.64 and 37,831.41 is: 52,223.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,957.28 : 80,005.64 = 37,831.41 : x
  2. Step 2: Convert to fraction form
    57,957.28/80,005.64 = 37,831.41/x
  3. Step 3: Cross multiply
    57,957.28x = 80,005.64 × 37,831.41
  4. Step 4: Simplify right side
    57,957.28x = 3,026,726,169.15
  5. Step 5: Solve for x
    x = 3,026,726,169.15/57,957.28
  6. Step 6: Final answer
    x = 52,223.40

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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.