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Finding the Fourth Proportional to 10,709.95, 16,060.93 and 3,687.98

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Solution

The fourth proportional to 10,709.95, 16,060.93 and 3,687.98 is: 5,530.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,709.95 : 16,060.93 = 3,687.98 : x
  2. Step 2: Convert to fraction form
    10,709.95/16,060.93 = 3,687.98/x
  3. Step 3: Cross multiply
    10,709.95x = 16,060.93 × 3,687.98
  4. Step 4: Simplify right side
    10,709.95x = 59,232,388.62
  5. Step 5: Solve for x
    x = 59,232,388.62/10,709.95
  6. Step 6: Final answer
    x = 5,530.59

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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.