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Finding the Fourth Proportional to 27,105.55, 40,659.47 and 9,575.47

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Solution

The fourth proportional to 27,105.55, 40,659.47 and 9,575.47 is: 14,363.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,105.55 : 40,659.47 = 9,575.47 : x
  2. Step 2: Convert to fraction form
    27,105.55/40,659.47 = 9,575.47/x
  3. Step 3: Cross multiply
    27,105.55x = 40,659.47 × 9,575.47
  4. Step 4: Simplify right side
    27,105.55x = 389,333,535.20
  5. Step 5: Solve for x
    x = 389,333,535.20/27,105.55
  6. Step 6: Final answer
    x = 14,363.61

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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.