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Finding the Fourth Proportional to 75,604.61, 113,419.08 and 25,679.45

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Solution

The fourth proportional to 75,604.61, 113,419.08 and 25,679.45 is: 38,523.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,604.61 : 113,419.08 = 25,679.45 : x
  2. Step 2: Convert to fraction form
    75,604.61/113,419.08 = 25,679.45/x
  3. Step 3: Cross multiply
    75,604.61x = 113,419.08 × 25,679.45
  4. Step 4: Simplify right side
    75,604.61x = 2,912,539,026.81
  5. Step 5: Solve for x
    x = 2,912,539,026.81/75,604.61
  6. Step 6: Final answer
    x = 38,523.30

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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.