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Finding the Fourth Proportional to 64,401.77, 96,661.60 and 32,834.48

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Solution

The fourth proportional to 64,401.77, 96,661.60 and 32,834.48 is: 49,281.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,401.77 : 96,661.60 = 32,834.48 : x
  2. Step 2: Convert to fraction form
    64,401.77/96,661.60 = 32,834.48/x
  3. Step 3: Cross multiply
    64,401.77x = 96,661.60 × 32,834.48
  4. Step 4: Simplify right side
    64,401.77x = 3,173,832,806.57
  5. Step 5: Solve for x
    x = 3,173,832,806.57/64,401.77
  6. Step 6: Final answer
    x = 49,281.76

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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.