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Finding the Fourth Proportional to 60,353.91, 90,529.30 and 28,786.29

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Solution

The fourth proportional to 60,353.91, 90,529.30 and 28,786.29 is: 43,178.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,353.91 : 90,529.30 = 28,786.29 : x
  2. Step 2: Convert to fraction form
    60,353.91/90,529.30 = 28,786.29/x
  3. Step 3: Cross multiply
    60,353.91x = 90,529.30 × 28,786.29
  4. Step 4: Simplify right side
    60,353.91x = 2,606,002,217.87
  5. Step 5: Solve for x
    x = 2,606,002,217.87/60,353.91
  6. Step 6: Final answer
    x = 43,178.68

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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.