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Finding the Fourth Proportional to 48,940.52, 73,421.71 and 15,662.58

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Solution

The fourth proportional to 48,940.52, 73,421.71 and 15,662.58 is: 23,497.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,940.52 : 73,421.71 = 15,662.58 : x
  2. Step 2: Convert to fraction form
    48,940.52/73,421.71 = 15,662.58/x
  3. Step 3: Cross multiply
    48,940.52x = 73,421.71 × 15,662.58
  4. Step 4: Simplify right side
    48,940.52x = 1,149,973,406.61
  5. Step 5: Solve for x
    x = 1,149,973,406.61/48,940.52
  6. Step 6: Final answer
    x = 23,497.37

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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.