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Finding the Fourth Proportional to 61,536.84, 92,305.28 and 31,939.44

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Solution

The fourth proportional to 61,536.84, 92,305.28 and 31,939.44 is: 47,909.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,536.84 : 92,305.28 = 31,939.44 : x
  2. Step 2: Convert to fraction form
    61,536.84/92,305.28 = 31,939.44/x
  3. Step 3: Cross multiply
    61,536.84x = 92,305.28 × 31,939.44
  4. Step 4: Simplify right side
    61,536.84x = 2,948,178,952.24
  5. Step 5: Solve for x
    x = 2,948,178,952.24/61,536.84
  6. Step 6: Final answer
    x = 47,909.17

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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.