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Finding the Fourth Proportional to 16,648.68, 24,975.36 and 5,400.21

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Solution

The fourth proportional to 16,648.68, 24,975.36 and 5,400.21 is: 8,101.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,648.68 : 24,975.36 = 5,400.21 : x
  2. Step 2: Convert to fraction form
    16,648.68/24,975.36 = 5,400.21/x
  3. Step 3: Cross multiply
    16,648.68x = 24,975.36 × 5,400.21
  4. Step 4: Simplify right side
    16,648.68x = 134,872,188.83
  5. Step 5: Solve for x
    x = 134,872,188.83/16,648.68
  6. Step 6: Final answer
    x = 8,101.07

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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.