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Finding the Fourth Proportional to 75,400.92, 113,103 and 22,810.32

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Solution

The fourth proportional to 75,400.92, 113,103 and 22,810.32 is: 34,215.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,400.92 : 113,103 = 22,810.32 : x
  2. Step 2: Convert to fraction form
    75,400.92/113,103 = 22,810.32/x
  3. Step 3: Cross multiply
    75,400.92x = 113,103 × 22,810.32
  4. Step 4: Simplify right side
    75,400.92x = 2,579,915,622.96
  5. Step 5: Solve for x
    x = 2,579,915,622.96/75,400.92
  6. Step 6: Final answer
    x = 34,215.97

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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.