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Finding the Fourth Proportional to 73,813.44, 101,831.52 and 51,470.40

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Solution

The fourth proportional to 73,813.44, 101,831.52 and 51,470.40 is: 71,007.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,813.44 : 101,831.52 = 51,470.40 : x
  2. Step 2: Convert to fraction form
    73,813.44/101,831.52 = 51,470.40/x
  3. Step 3: Cross multiply
    73,813.44x = 101,831.52 × 51,470.40
  4. Step 4: Simplify right side
    73,813.44x = 5,241,309,067.01
  5. Step 5: Solve for x
    x = 5,241,309,067.01/73,813.44
  6. Step 6: Final answer
    x = 71,007.52

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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.