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Finding the Fourth Proportional to 64,385.61, 96,604.98 and 34,768.56

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Solution

The fourth proportional to 64,385.61, 96,604.98 and 34,768.56 is: 52,167.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,385.61 : 96,604.98 = 34,768.56 : x
  2. Step 2: Convert to fraction form
    64,385.61/96,604.98 = 34,768.56/x
  3. Step 3: Cross multiply
    64,385.61x = 96,604.98 × 34,768.56
  4. Step 4: Simplify right side
    64,385.61x = 3,358,816,043.43
  5. Step 5: Solve for x
    x = 3,358,816,043.43/64,385.61
  6. Step 6: Final answer
    x = 52,167.19

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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.