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Finding the Fourth Proportional to 16,913.96, 25,371.11 and 7,554.45

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Solution

The fourth proportional to 16,913.96, 25,371.11 and 7,554.45 is: 11,331.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913.96 : 25,371.11 = 7,554.45 : x
  2. Step 2: Convert to fraction form
    16,913.96/25,371.11 = 7,554.45/x
  3. Step 3: Cross multiply
    16,913.96x = 25,371.11 × 7,554.45
  4. Step 4: Simplify right side
    16,913.96x = 191,664,781.94
  5. Step 5: Solve for x
    x = 191,664,781.94/16,913.96
  6. Step 6: Final answer
    x = 11,331.75

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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.