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Finding the Fourth Proportional to 30,679.93, 45,952.44 and 25,354.59

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Solution

The fourth proportional to 30,679.93, 45,952.44 and 25,354.59 is: 37,976.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,679.93 : 45,952.44 = 25,354.59 : x
  2. Step 2: Convert to fraction form
    30,679.93/45,952.44 = 25,354.59/x
  3. Step 3: Cross multiply
    30,679.93x = 45,952.44 × 25,354.59
  4. Step 4: Simplify right side
    30,679.93x = 1,165,105,045.94
  5. Step 5: Solve for x
    x = 1,165,105,045.94/30,679.93
  6. Step 6: Final answer
    x = 37,976.13

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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.