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Finding the Fourth Proportional to 16,913.33, 25,380.01 and 9,423.15

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Solution

The fourth proportional to 16,913.33, 25,380.01 and 9,423.15 is: 14,140.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913.33 : 25,380.01 = 9,423.15 : x
  2. Step 2: Convert to fraction form
    16,913.33/25,380.01 = 9,423.15/x
  3. Step 3: Cross multiply
    16,913.33x = 25,380.01 × 9,423.15
  4. Step 4: Simplify right side
    16,913.33x = 239,159,712.85
  5. Step 5: Solve for x
    x = 239,159,712.85/16,913.33
  6. Step 6: Final answer
    x = 14,140.31

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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.