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Finding the Fourth Proportional to 75,603.60, 113,410.92 and 25,663.44

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Solution

The fourth proportional to 75,603.60, 113,410.92 and 25,663.44 is: 38,497.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,603.60 : 113,410.92 = 25,663.44 : x
  2. Step 2: Convert to fraction form
    75,603.60/113,410.92 = 25,663.44/x
  3. Step 3: Cross multiply
    75,603.60x = 113,410.92 × 25,663.44
  4. Step 4: Simplify right side
    75,603.60x = 2,910,514,340.76
  5. Step 5: Solve for x
    x = 2,910,514,340.76/75,603.60
  6. Step 6: Final answer
    x = 38,497.03

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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.