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Finding the Fourth Proportional to 16,170.48, 24,261.48 and 6,931.44

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Solution

The fourth proportional to 16,170.48, 24,261.48 and 6,931.44 is: 10,399.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,170.48 : 24,261.48 = 6,931.44 : x
  2. Step 2: Convert to fraction form
    16,170.48/24,261.48 = 6,931.44/x
  3. Step 3: Cross multiply
    16,170.48x = 24,261.48 × 6,931.44
  4. Step 4: Simplify right side
    16,170.48x = 168,166,992.93
  5. Step 5: Solve for x
    x = 168,166,992.93/16,170.48
  6. Step 6: Final answer
    x = 10,399.63

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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.