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Finding the Fourth Proportional to 60,358.92, 90,563.97 and 30,357.28

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Solution

The fourth proportional to 60,358.92, 90,563.97 and 30,357.28 is: 45,548.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,358.92 : 90,563.97 = 30,357.28 : x
  2. Step 2: Convert to fraction form
    60,358.92/90,563.97 = 30,357.28/x
  3. Step 3: Cross multiply
    60,358.92x = 90,563.97 × 30,357.28
  4. Step 4: Simplify right side
    60,358.92x = 2,749,276,022.25
  5. Step 5: Solve for x
    x = 2,749,276,022.25/60,358.92
  6. Step 6: Final answer
    x = 45,548.79

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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.