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Finding the Fourth Proportional to 65,523.60, 90,351.12 and 44,265.96

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Solution

The fourth proportional to 65,523.60, 90,351.12 and 44,265.96 is: 61,038.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,523.60 : 90,351.12 = 44,265.96 : x
  2. Step 2: Convert to fraction form
    65,523.60/90,351.12 = 44,265.96/x
  3. Step 3: Cross multiply
    65,523.60x = 90,351.12 × 44,265.96
  4. Step 4: Simplify right side
    65,523.60x = 3,999,479,063.88
  5. Step 5: Solve for x
    x = 3,999,479,063.88/65,523.60
  6. Step 6: Final answer
    x = 61,038.76

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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.