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Finding the Fourth Proportional to 16,302.78, 24,435.24 and 6,939.84

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Solution

The fourth proportional to 16,302.78, 24,435.24 and 6,939.84 is: 10,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,302.78 : 24,435.24 = 6,939.84 : x
  2. Step 2: Convert to fraction form
    16,302.78/24,435.24 = 6,939.84/x
  3. Step 3: Cross multiply
    16,302.78x = 24,435.24 × 6,939.84
  4. Step 4: Simplify right side
    16,302.78x = 169,576,655.96
  5. Step 5: Solve for x
    x = 169,576,655.96/16,302.78
  6. Step 6: Final answer
    x = 10,401.70

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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.