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Finding the Fourth Proportional to 29,894.79, 44,831.69 and 8,829.21

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Solution

The fourth proportional to 29,894.79, 44,831.69 and 8,829.21 is: 13,240.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,894.79 : 44,831.69 = 8,829.21 : x
  2. Step 2: Convert to fraction form
    29,894.79/44,831.69 = 8,829.21/x
  3. Step 3: Cross multiply
    29,894.79x = 44,831.69 × 8,829.21
  4. Step 4: Simplify right side
    29,894.79x = 395,828,361.52
  5. Step 5: Solve for x
    x = 395,828,361.52/29,894.79
  6. Step 6: Final answer
    x = 13,240.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.