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Finding the Fourth Proportional to 48,762.68, 73,144 and 17,165.30

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Solution

The fourth proportional to 48,762.68, 73,144 and 17,165.30 is: 25,747.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,762.68 : 73,144 = 17,165.30 : x
  2. Step 2: Convert to fraction form
    48,762.68/73,144 = 17,165.30/x
  3. Step 3: Cross multiply
    48,762.68x = 73,144 × 17,165.30
  4. Step 4: Simplify right side
    48,762.68x = 1,255,538,703.20
  5. Step 5: Solve for x
    x = 1,255,538,703.20/48,762.68
  6. Step 6: Final answer
    x = 25,747.94

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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.