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Finding the Fourth Proportional to 48,664.52, 72,996.62 and 11,728.52

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Solution

The fourth proportional to 48,664.52, 72,996.62 and 11,728.52 is: 17,592.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,664.52 : 72,996.62 = 11,728.52 : x
  2. Step 2: Convert to fraction form
    48,664.52/72,996.62 = 11,728.52/x
  3. Step 3: Cross multiply
    48,664.52x = 72,996.62 × 11,728.52
  4. Step 4: Simplify right side
    48,664.52x = 856,142,317.60
  5. Step 5: Solve for x
    x = 856,142,317.60/48,664.52
  6. Step 6: Final answer
    x = 17,592.74

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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.