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Finding the Fourth Proportional to 32,558.50, 48,837.99 and 7,934.50

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Solution

The fourth proportional to 32,558.50, 48,837.99 and 7,934.50 is: 11,901.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,558.50 : 48,837.99 = 7,934.50 : x
  2. Step 2: Convert to fraction form
    32,558.50/48,837.99 = 7,934.50/x
  3. Step 3: Cross multiply
    32,558.50x = 48,837.99 × 7,934.50
  4. Step 4: Simplify right side
    32,558.50x = 387,505,031.66
  5. Step 5: Solve for x
    x = 387,505,031.66/32,558.50
  6. Step 6: Final answer
    x = 11,901.81

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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.