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Finding the Fourth Proportional to 60,604.70, 90,783.12 and 49,399.97

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Solution

The fourth proportional to 60,604.70, 90,783.12 and 49,399.97 is: 73,998.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,604.70 : 90,783.12 = 49,399.97 : x
  2. Step 2: Convert to fraction form
    60,604.70/90,783.12 = 49,399.97/x
  3. Step 3: Cross multiply
    60,604.70x = 90,783.12 × 49,399.97
  4. Step 4: Simplify right side
    60,604.70x = 4,484,682,950.59
  5. Step 5: Solve for x
    x = 4,484,682,950.59/60,604.70
  6. Step 6: Final answer
    x = 73,998.94

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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.