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Finding the Fourth Proportional to 10,179.95, 14,049.18 and 5,703.62

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Solution

The fourth proportional to 10,179.95, 14,049.18 and 5,703.62 is: 7,871.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,179.95 : 14,049.18 = 5,703.62 : x
  2. Step 2: Convert to fraction form
    10,179.95/14,049.18 = 5,703.62/x
  3. Step 3: Cross multiply
    10,179.95x = 14,049.18 × 5,703.62
  4. Step 4: Simplify right side
    10,179.95x = 80,131,113.79
  5. Step 5: Solve for x
    x = 80,131,113.79/10,179.95
  6. Step 6: Final answer
    x = 7,871.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.