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Finding the Fourth Proportional to 56,325.68, 84,469.08 and 16,872.20

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Solution

The fourth proportional to 56,325.68, 84,469.08 and 16,872.20 is: 25,302.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,325.68 : 84,469.08 = 16,872.20 : x
  2. Step 2: Convert to fraction form
    56,325.68/84,469.08 = 16,872.20/x
  3. Step 3: Cross multiply
    56,325.68x = 84,469.08 × 16,872.20
  4. Step 4: Simplify right side
    56,325.68x = 1,425,179,211.58
  5. Step 5: Solve for x
    x = 1,425,179,211.58/56,325.68
  6. Step 6: Final answer
    x = 25,302.48

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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.