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Finding the Fourth Proportional to 56,304.37, 77,687.70 and 33,639.96

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Solution

The fourth proportional to 56,304.37, 77,687.70 and 33,639.96 is: 46,415.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,304.37 : 77,687.70 = 33,639.96 : x
  2. Step 2: Convert to fraction form
    56,304.37/77,687.70 = 33,639.96/x
  3. Step 3: Cross multiply
    56,304.37x = 77,687.70 × 33,639.96
  4. Step 4: Simplify right side
    56,304.37x = 2,613,411,120.49
  5. Step 5: Solve for x
    x = 2,613,411,120.49/56,304.37
  6. Step 6: Final answer
    x = 46,415.78

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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.