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Finding the Fourth Proportional to 10,161.08, 14,027.08 and 7,644.15

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Solution

The fourth proportional to 10,161.08, 14,027.08 and 7,644.15 is: 10,552.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.08 : 14,027.08 = 7,644.15 : x
  2. Step 2: Convert to fraction form
    10,161.08/14,027.08 = 7,644.15/x
  3. Step 3: Cross multiply
    10,161.08x = 14,027.08 × 7,644.15
  4. Step 4: Simplify right side
    10,161.08x = 107,225,080.85
  5. Step 5: Solve for x
    x = 107,225,080.85/10,161.08
  6. Step 6: Final answer
    x = 10,552.53

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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.