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Finding the Fourth Proportional to 37,261, 55,907.70 and 18,559.72

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Solution

The fourth proportional to 37,261, 55,907.70 and 18,559.72 is: 27,847.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,261 : 55,907.70 = 18,559.72 : x
  2. Step 2: Convert to fraction form
    37,261/55,907.70 = 18,559.72/x
  3. Step 3: Cross multiply
    37,261x = 55,907.70 × 18,559.72
  4. Step 4: Simplify right side
    37,261x = 1,037,631,257.84
  5. Step 5: Solve for x
    x = 1,037,631,257.84/37,261
  6. Step 6: Final answer
    x = 27,847.65

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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.