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Finding the Fourth Proportional to 49,492.79, 68,300.07 and 26,831.78

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Solution

The fourth proportional to 49,492.79, 68,300.07 and 26,831.78 is: 37,027.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,492.79 : 68,300.07 = 26,831.78 : x
  2. Step 2: Convert to fraction form
    49,492.79/68,300.07 = 26,831.78/x
  3. Step 3: Cross multiply
    49,492.79x = 68,300.07 × 26,831.78
  4. Step 4: Simplify right side
    49,492.79x = 1,832,612,452.22
  5. Step 5: Solve for x
    x = 1,832,612,452.22/49,492.79
  6. Step 6: Final answer
    x = 37,027.87

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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.