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Finding the Fourth Proportional to 33,008, 45,551.11 and 18,860.81

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Solution

The fourth proportional to 33,008, 45,551.11 and 18,860.81 is: 26,027.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,008 : 45,551.11 = 18,860.81 : x
  2. Step 2: Convert to fraction form
    33,008/45,551.11 = 18,860.81/x
  3. Step 3: Cross multiply
    33,008x = 45,551.11 × 18,860.81
  4. Step 4: Simplify right side
    33,008x = 859,130,831.00
  5. Step 5: Solve for x
    x = 859,130,831.00/33,008
  6. Step 6: Final answer
    x = 26,027.96

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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.