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Finding the Fourth Proportional to 48,918.99, 73,337.04 and 19,357.68

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Solution

The fourth proportional to 48,918.99, 73,337.04 and 19,357.68 is: 29,020.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,918.99 : 73,337.04 = 19,357.68 : x
  2. Step 2: Convert to fraction form
    48,918.99/73,337.04 = 19,357.68/x
  3. Step 3: Cross multiply
    48,918.99x = 73,337.04 × 19,357.68
  4. Step 4: Simplify right side
    48,918.99x = 1,419,634,952.47
  5. Step 5: Solve for x
    x = 1,419,634,952.47/48,918.99
  6. Step 6: Final answer
    x = 29,020.12

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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.