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Finding the Fourth Proportional to 49,755.71, 68,661.29 and 29,607.98

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Solution

The fourth proportional to 49,755.71, 68,661.29 and 29,607.98 is: 40,858.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,755.71 : 68,661.29 = 29,607.98 : x
  2. Step 2: Convert to fraction form
    49,755.71/68,661.29 = 29,607.98/x
  3. Step 3: Cross multiply
    49,755.71x = 68,661.29 × 29,607.98
  4. Step 4: Simplify right side
    49,755.71x = 2,032,921,831.81
  5. Step 5: Solve for x
    x = 2,032,921,831.81/49,755.71
  6. Step 6: Final answer
    x = 40,858.06

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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.