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Finding the Fourth Proportional to 58,907.66, 88,408.26 and 30,836.30

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Solution

The fourth proportional to 58,907.66, 88,408.26 and 30,836.30 is: 46,278.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,907.66 : 88,408.26 = 30,836.30 : x
  2. Step 2: Convert to fraction form
    58,907.66/88,408.26 = 30,836.30/x
  3. Step 3: Cross multiply
    58,907.66x = 88,408.26 × 30,836.30
  4. Step 4: Simplify right side
    58,907.66x = 2,726,183,185.80
  5. Step 5: Solve for x
    x = 2,726,183,185.80/58,907.66
  6. Step 6: Final answer
    x = 46,278.93

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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.