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Finding the Fourth Proportional to 27,151.08, 40,720.04 and 11,347.56

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Solution

The fourth proportional to 27,151.08, 40,720.04 and 11,347.56 is: 17,018.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,151.08 : 40,720.04 = 11,347.56 : x
  2. Step 2: Convert to fraction form
    27,151.08/40,720.04 = 11,347.56/x
  3. Step 3: Cross multiply
    27,151.08x = 40,720.04 × 11,347.56
  4. Step 4: Simplify right side
    27,151.08x = 462,073,097.10
  5. Step 5: Solve for x
    x = 462,073,097.10/27,151.08
  6. Step 6: Final answer
    x = 17,018.59

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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.