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Finding the Fourth Proportional to 64,269.40, 88,693.68 and 35,974.96

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Solution

The fourth proportional to 64,269.40, 88,693.68 and 35,974.96 is: 49,646.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,269.40 : 88,693.68 = 35,974.96 : x
  2. Step 2: Convert to fraction form
    64,269.40/88,693.68 = 35,974.96/x
  3. Step 3: Cross multiply
    64,269.40x = 88,693.68 × 35,974.96
  4. Step 4: Simplify right side
    64,269.40x = 3,190,751,590.25
  5. Step 5: Solve for x
    x = 3,190,751,590.25/64,269.40
  6. Step 6: Final answer
    x = 49,646.51

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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.