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Finding the Fourth Proportional to 64,963.72, 97,449.08 and 20,593.94

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Solution

The fourth proportional to 64,963.72, 97,449.08 and 20,593.94 is: 30,892.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,963.72 : 97,449.08 = 20,593.94 : x
  2. Step 2: Convert to fraction form
    64,963.72/97,449.08 = 20,593.94/x
  3. Step 3: Cross multiply
    64,963.72x = 97,449.08 × 20,593.94
  4. Step 4: Simplify right side
    64,963.72x = 2,006,860,506.58
  5. Step 5: Solve for x
    x = 2,006,860,506.58/64,963.72
  6. Step 6: Final answer
    x = 30,892.02

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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.