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Finding the Fourth Proportional to 60,529.57, 90,808.93 and 18,976.57

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Solution

The fourth proportional to 60,529.57, 90,808.93 and 18,976.57 is: 28,469.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,529.57 : 90,808.93 = 18,976.57 : x
  2. Step 2: Convert to fraction form
    60,529.57/90,808.93 = 18,976.57/x
  3. Step 3: Cross multiply
    60,529.57x = 90,808.93 × 18,976.57
  4. Step 4: Simplify right side
    60,529.57x = 1,723,242,016.77
  5. Step 5: Solve for x
    x = 1,723,242,016.77/60,529.57
  6. Step 6: Final answer
    x = 28,469.42

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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.