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Finding the Fourth Proportional to 40,491.81, 55,883.03 and 22,593.03

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Solution

The fourth proportional to 40,491.81, 55,883.03 and 22,593.03 is: 31,180.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,491.81 : 55,883.03 = 22,593.03 : x
  2. Step 2: Convert to fraction form
    40,491.81/55,883.03 = 22,593.03/x
  3. Step 3: Cross multiply
    40,491.81x = 55,883.03 × 22,593.03
  4. Step 4: Simplify right side
    40,491.81x = 1,262,566,860.32
  5. Step 5: Solve for x
    x = 1,262,566,860.32/40,491.81
  6. Step 6: Final answer
    x = 31,180.80

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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.