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Finding the Fourth Proportional to 61,908.93, 85,434.45 and 33,614.64

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Solution

The fourth proportional to 61,908.93, 85,434.45 and 33,614.64 is: 46,388.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,908.93 : 85,434.45 = 33,614.64 : x
  2. Step 2: Convert to fraction form
    61,908.93/85,434.45 = 33,614.64/x
  3. Step 3: Cross multiply
    61,908.93x = 85,434.45 × 33,614.64
  4. Step 4: Simplify right side
    61,908.93x = 2,871,848,280.35
  5. Step 5: Solve for x
    x = 2,871,848,280.35/61,908.93
  6. Step 6: Final answer
    x = 46,388.27

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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.