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Finding the Fourth Proportional to 27,169.01, 40,752.06 and 7,447.53

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Solution

The fourth proportional to 27,169.01, 40,752.06 and 7,447.53 is: 11,170.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,169.01 : 40,752.06 = 7,447.53 : x
  2. Step 2: Convert to fraction form
    27,169.01/40,752.06 = 7,447.53/x
  3. Step 3: Cross multiply
    27,169.01x = 40,752.06 × 7,447.53
  4. Step 4: Simplify right side
    27,169.01x = 303,502,189.41
  5. Step 5: Solve for x
    x = 303,502,189.41/27,169.01
  6. Step 6: Final answer
    x = 11,170.90

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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.