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Finding the Fourth Proportional to 72,037.61, 107,982.51 and 27,652.41

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Solution

The fourth proportional to 72,037.61, 107,982.51 and 27,652.41 is: 41,450.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,037.61 : 107,982.51 = 27,652.41 : x
  2. Step 2: Convert to fraction form
    72,037.61/107,982.51 = 27,652.41/x
  3. Step 3: Cross multiply
    72,037.61x = 107,982.51 × 27,652.41
  4. Step 4: Simplify right side
    72,037.61x = 2,985,976,030.31
  5. Step 5: Solve for x
    x = 2,985,976,030.31/72,037.61
  6. Step 6: Final answer
    x = 41,450.24

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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.