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Finding the Fourth Proportional to 61,234.88, 91,852.28 and 31,637.44

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Solution

The fourth proportional to 61,234.88, 91,852.28 and 31,637.44 is: 47,456.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,234.88 : 91,852.28 = 31,637.44 : x
  2. Step 2: Convert to fraction form
    61,234.88/91,852.28 = 31,637.44/x
  3. Step 3: Cross multiply
    61,234.88x = 91,852.28 × 31,637.44
  4. Step 4: Simplify right side
    61,234.88x = 2,905,970,997.36
  5. Step 5: Solve for x
    x = 2,905,970,997.36/61,234.88
  6. Step 6: Final answer
    x = 47,456.14

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1.5x scale

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.