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Finding the Fourth Proportional to 45,408.60, 62,664.03 and 25,265.66

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Solution

The fourth proportional to 45,408.60, 62,664.03 and 25,265.66 is: 34,866.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,408.60 : 62,664.03 = 25,265.66 : x
  2. Step 2: Convert to fraction form
    45,408.60/62,664.03 = 25,265.66/x
  3. Step 3: Cross multiply
    45,408.60x = 62,664.03 × 25,265.66
  4. Step 4: Simplify right side
    45,408.60x = 1,583,247,762.89
  5. Step 5: Solve for x
    x = 1,583,247,762.89/45,408.60
  6. Step 6: Final answer
    x = 34,866.69

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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.