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Finding the Fourth Proportional to 66,233.70, 99,399.15 and 44,039.70

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Solution

The fourth proportional to 66,233.70, 99,399.15 and 44,039.70 is: 66,091.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,233.70 : 99,399.15 = 44,039.70 : x
  2. Step 2: Convert to fraction form
    66,233.70/99,399.15 = 44,039.70/x
  3. Step 3: Cross multiply
    66,233.70x = 99,399.15 × 44,039.70
  4. Step 4: Simplify right side
    66,233.70x = 4,377,508,746.26
  5. Step 5: Solve for x
    x = 4,377,508,746.26/66,233.70
  6. Step 6: Final answer
    x = 66,091.86

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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.