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Finding the Fourth Proportional to 10,762.18, 16,108.55 and 5,560.90

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Solution

The fourth proportional to 10,762.18, 16,108.55 and 5,560.90 is: 8,323.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,762.18 : 16,108.55 = 5,560.90 : x
  2. Step 2: Convert to fraction form
    10,762.18/16,108.55 = 5,560.90/x
  3. Step 3: Cross multiply
    10,762.18x = 16,108.55 × 5,560.90
  4. Step 4: Simplify right side
    10,762.18x = 89,578,035.70
  5. Step 5: Solve for x
    x = 89,578,035.70/10,762.18
  6. Step 6: Final answer
    x = 8,323.41

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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.