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Finding the Fourth Proportional to 10,163.16, 14,014.08 and 8,825.04

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Solution

The fourth proportional to 10,163.16, 14,014.08 and 8,825.04 is: 12,168.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.16 : 14,014.08 = 8,825.04 : x
  2. Step 2: Convert to fraction form
    10,163.16/14,014.08 = 8,825.04/x
  3. Step 3: Cross multiply
    10,163.16x = 14,014.08 × 8,825.04
  4. Step 4: Simplify right side
    10,163.16x = 123,674,816.56
  5. Step 5: Solve for x
    x = 123,674,816.56/10,163.16
  6. Step 6: Final answer
    x = 12,168.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.