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Finding the Fourth Proportional to 57,143.54, 78,831.83 and 37,007.04

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Solution

The fourth proportional to 57,143.54, 78,831.83 and 37,007.04 is: 51,052.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,143.54 : 78,831.83 = 37,007.04 : x
  2. Step 2: Convert to fraction form
    57,143.54/78,831.83 = 37,007.04/x
  3. Step 3: Cross multiply
    57,143.54x = 78,831.83 × 37,007.04
  4. Step 4: Simplify right side
    57,143.54x = 2,917,333,074.22
  5. Step 5: Solve for x
    x = 2,917,333,074.22/57,143.54
  6. Step 6: Final answer
    x = 51,052.72

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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.