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Finding the Fourth Proportional to 48,362.35, 72,499.72 and 17,190.31

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Solution

The fourth proportional to 48,362.35, 72,499.72 and 17,190.31 is: 25,769.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,362.35 : 72,499.72 = 17,190.31 : x
  2. Step 2: Convert to fraction form
    48,362.35/72,499.72 = 17,190.31/x
  3. Step 3: Cross multiply
    48,362.35x = 72,499.72 × 17,190.31
  4. Step 4: Simplify right side
    48,362.35x = 1,246,292,661.71
  5. Step 5: Solve for x
    x = 1,246,292,661.71/48,362.35
  6. Step 6: Final answer
    x = 25,769.89

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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.