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Finding the Fourth Proportional to 16,515.93, 22,782.47 and 10,540.87

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Solution

The fourth proportional to 16,515.93, 22,782.47 and 10,540.87 is: 14,540.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,515.93 : 22,782.47 = 10,540.87 : x
  2. Step 2: Convert to fraction form
    16,515.93/22,782.47 = 10,540.87/x
  3. Step 3: Cross multiply
    16,515.93x = 22,782.47 × 10,540.87
  4. Step 4: Simplify right side
    16,515.93x = 240,146,944.89
  5. Step 5: Solve for x
    x = 240,146,944.89/16,515.93
  6. Step 6: Final answer
    x = 14,540.32

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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.