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Finding the Fourth Proportional to 42,793.52, 64,165.97 and 35,816.99

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Solution

The fourth proportional to 42,793.52, 64,165.97 and 35,816.99 is: 53,705.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,793.52 : 64,165.97 = 35,816.99 : x
  2. Step 2: Convert to fraction form
    42,793.52/64,165.97 = 35,816.99/x
  3. Step 3: Cross multiply
    42,793.52x = 64,165.97 × 35,816.99
  4. Step 4: Simplify right side
    42,793.52x = 2,298,231,674.54
  5. Step 5: Solve for x
    x = 2,298,231,674.54/42,793.52
  6. Step 6: Final answer
    x = 53,705.14

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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.