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Finding the Fourth Proportional to 11,041.68, 16,560.30 and 5,416.95

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Solution

The fourth proportional to 11,041.68, 16,560.30 and 5,416.95 is: 8,124.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,041.68 : 16,560.30 = 5,416.95 : x
  2. Step 2: Convert to fraction form
    11,041.68/16,560.30 = 5,416.95/x
  3. Step 3: Cross multiply
    11,041.68x = 16,560.30 × 5,416.95
  4. Step 4: Simplify right side
    11,041.68x = 89,706,317.09
  5. Step 5: Solve for x
    x = 89,706,317.09/11,041.68
  6. Step 6: Final answer
    x = 8,124.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.