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Finding the Fourth Proportional to 55,659.96, 83,434.32 and 35,952.48

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Solution

The fourth proportional to 55,659.96, 83,434.32 and 35,952.48 is: 53,892.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,659.96 : 83,434.32 = 35,952.48 : x
  2. Step 2: Convert to fraction form
    55,659.96/83,434.32 = 35,952.48/x
  3. Step 3: Cross multiply
    55,659.96x = 83,434.32 × 35,952.48
  4. Step 4: Simplify right side
    55,659.96x = 2,999,670,721.11
  5. Step 5: Solve for x
    x = 2,999,670,721.11/55,659.96
  6. Step 6: Final answer
    x = 53,892.79

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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.