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Finding the Fourth Proportional to 73,776.70, 110,665.05 and 29,435.28

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Solution

The fourth proportional to 73,776.70, 110,665.05 and 29,435.28 is: 44,152.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,776.70 : 110,665.05 = 29,435.28 : x
  2. Step 2: Convert to fraction form
    73,776.70/110,665.05 = 29,435.28/x
  3. Step 3: Cross multiply
    73,776.70x = 110,665.05 × 29,435.28
  4. Step 4: Simplify right side
    73,776.70x = 3,257,456,179.64
  5. Step 5: Solve for x
    x = 3,257,456,179.64/73,776.70
  6. Step 6: Final answer
    x = 44,152.91

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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.