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Finding the Fourth Proportional to 16,800.96, 25,199.25 and 6,938.91

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Solution

The fourth proportional to 16,800.96, 25,199.25 and 6,938.91 is: 10,407.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,800.96 : 25,199.25 = 6,938.91 : x
  2. Step 2: Convert to fraction form
    16,800.96/25,199.25 = 6,938.91/x
  3. Step 3: Cross multiply
    16,800.96x = 25,199.25 × 6,938.91
  4. Step 4: Simplify right side
    16,800.96x = 174,855,327.82
  5. Step 5: Solve for x
    x = 174,855,327.82/16,800.96
  6. Step 6: Final answer
    x = 10,407.46

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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.