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Finding the Fourth Proportional to 16,329.78, 24,473.07 and 5,931.54

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Solution

The fourth proportional to 16,329.78, 24,473.07 and 5,931.54 is: 8,889.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,329.78 : 24,473.07 = 5,931.54 : x
  2. Step 2: Convert to fraction form
    16,329.78/24,473.07 = 5,931.54/x
  3. Step 3: Cross multiply
    16,329.78x = 24,473.07 × 5,931.54
  4. Step 4: Simplify right side
    16,329.78x = 145,162,993.63
  5. Step 5: Solve for x
    x = 145,162,993.63/16,329.78
  6. Step 6: Final answer
    x = 8,889.46

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Why These Related Problems?

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