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Finding the Fourth Proportional to 64,937.71, 97,348.83 and 34,968.30

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Solution

The fourth proportional to 64,937.71, 97,348.83 and 34,968.30 is: 52,421.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,937.71 : 97,348.83 = 34,968.30 : x
  2. Step 2: Convert to fraction form
    64,937.71/97,348.83 = 34,968.30/x
  3. Step 3: Cross multiply
    64,937.71x = 97,348.83 × 34,968.30
  4. Step 4: Simplify right side
    64,937.71x = 3,404,123,092.09
  5. Step 5: Solve for x
    x = 3,404,123,092.09/64,937.71
  6. Step 6: Final answer
    x = 52,421.36

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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.