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Finding the Fourth Proportional to 10,909.50, 15,055.14 and 5,941.50

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Solution

The fourth proportional to 10,909.50, 15,055.14 and 5,941.50 is: 8,199.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909.50 : 15,055.14 = 5,941.50 : x
  2. Step 2: Convert to fraction form
    10,909.50/15,055.14 = 5,941.50/x
  3. Step 3: Cross multiply
    10,909.50x = 15,055.14 × 5,941.50
  4. Step 4: Simplify right side
    10,909.50x = 89,450,114.31
  5. Step 5: Solve for x
    x = 89,450,114.31/10,909.50
  6. Step 6: Final answer
    x = 8,199.29

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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.