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Finding the Fourth Proportional to 30,679.68, 45,952.07 and 25,354.34

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Solution

The fourth proportional to 30,679.68, 45,952.07 and 25,354.34 is: 37,975.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,679.68 : 45,952.07 = 25,354.34 : x
  2. Step 2: Convert to fraction form
    30,679.68/45,952.07 = 25,354.34/x
  3. Step 3: Cross multiply
    30,679.68x = 45,952.07 × 25,354.34
  4. Step 4: Simplify right side
    30,679.68x = 1,165,084,049.95
  5. Step 5: Solve for x
    x = 1,165,084,049.95/30,679.68
  6. Step 6: Final answer
    x = 37,975.76

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1.5x scale

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.