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Finding the Fourth Proportional to 11,061.95, 16,553.92 and 6,903.90

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Solution

The fourth proportional to 11,061.95, 16,553.92 and 6,903.90 is: 10,331.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,061.95 : 16,553.92 = 6,903.90 : x
  2. Step 2: Convert to fraction form
    11,061.95/16,553.92 = 6,903.90/x
  3. Step 3: Cross multiply
    11,061.95x = 16,553.92 × 6,903.90
  4. Step 4: Simplify right side
    11,061.95x = 114,286,608.29
  5. Step 5: Solve for x
    x = 114,286,608.29/11,061.95
  6. Step 6: Final answer
    x = 10,331.51

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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.