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Finding the Fourth Proportional to 41,588.56, 62,408.16 and 21,881.20

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Solution

The fourth proportional to 41,588.56, 62,408.16 and 21,881.20 is: 32,835.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,588.56 : 62,408.16 = 21,881.20 : x
  2. Step 2: Convert to fraction form
    41,588.56/62,408.16 = 21,881.20/x
  3. Step 3: Cross multiply
    41,588.56x = 62,408.16 × 21,881.20
  4. Step 4: Simplify right side
    41,588.56x = 1,365,565,430.59
  5. Step 5: Solve for x
    x = 1,365,565,430.59/41,588.56
  6. Step 6: Final answer
    x = 32,835.12

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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.