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Finding the Fourth Proportional to 70,025.85, 105,046.92 and 22,644.45

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Solution

The fourth proportional to 70,025.85, 105,046.92 and 22,644.45 is: 33,969.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,025.85 : 105,046.92 = 22,644.45 : x
  2. Step 2: Convert to fraction form
    70,025.85/105,046.92 = 22,644.45/x
  3. Step 3: Cross multiply
    70,025.85x = 105,046.92 × 22,644.45
  4. Step 4: Simplify right side
    70,025.85x = 2,378,729,727.59
  5. Step 5: Solve for x
    x = 2,378,729,727.59/70,025.85
  6. Step 6: Final answer
    x = 33,969.31

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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.