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Finding the Fourth Proportional to 57,732.74, 79,671.21 and 33,859.51

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Solution

The fourth proportional to 57,732.74, 79,671.21 and 33,859.51 is: 46,726.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,732.74 : 79,671.21 = 33,859.51 : x
  2. Step 2: Convert to fraction form
    57,732.74/79,671.21 = 33,859.51/x
  3. Step 3: Cross multiply
    57,732.74x = 79,671.21 × 33,859.51
  4. Step 4: Simplify right side
    57,732.74x = 2,697,628,131.71
  5. Step 5: Solve for x
    x = 2,697,628,131.71/57,732.74
  6. Step 6: Final answer
    x = 46,726.14

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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.