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Finding the Fourth Proportional to 16,281.54, 24,405.84 and 7,949.34

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Solution

The fourth proportional to 16,281.54, 24,405.84 and 7,949.34 is: 11,915.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,281.54 : 24,405.84 = 7,949.34 : x
  2. Step 2: Convert to fraction form
    16,281.54/24,405.84 = 7,949.34/x
  3. Step 3: Cross multiply
    16,281.54x = 24,405.84 × 7,949.34
  4. Step 4: Simplify right side
    16,281.54x = 194,010,320.15
  5. Step 5: Solve for x
    x = 194,010,320.15/16,281.54
  6. Step 6: Final answer
    x = 11,915.97

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1.5x scale

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.