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Finding the Fourth Proportional to 60,634.78, 83,678.52 and 33,777.28

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Solution

The fourth proportional to 60,634.78, 83,678.52 and 33,777.28 is: 46,614.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,634.78 : 83,678.52 = 33,777.28 : x
  2. Step 2: Convert to fraction form
    60,634.78/83,678.52 = 33,777.28/x
  3. Step 3: Cross multiply
    60,634.78x = 83,678.52 × 33,777.28
  4. Step 4: Simplify right side
    60,634.78x = 2,826,432,800.03
  5. Step 5: Solve for x
    x = 2,826,432,800.03/60,634.78
  6. Step 6: Final answer
    x = 46,614.05

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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.