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Finding the Fourth Proportional to 53,869.68, 74,339.03 and 29,671.34

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Solution

The fourth proportional to 53,869.68, 74,339.03 and 29,671.34 is: 40,945.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,869.68 : 74,339.03 = 29,671.34 : x
  2. Step 2: Convert to fraction form
    53,869.68/74,339.03 = 29,671.34/x
  3. Step 3: Cross multiply
    53,869.68x = 74,339.03 × 29,671.34
  4. Step 4: Simplify right side
    53,869.68x = 2,205,738,336.88
  5. Step 5: Solve for x
    x = 2,205,738,336.88/53,869.68
  6. Step 6: Final answer
    x = 40,945.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.