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Finding the Fourth Proportional to 70,776.62, 106,183.31 and 26,403.71

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Solution

The fourth proportional to 70,776.62, 106,183.31 and 26,403.71 is: 39,612.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,776.62 : 106,183.31 = 26,403.71 : x
  2. Step 2: Convert to fraction form
    70,776.62/106,183.31 = 26,403.71/x
  3. Step 3: Cross multiply
    70,776.62x = 106,183.31 × 26,403.71
  4. Step 4: Simplify right side
    70,776.62x = 2,803,632,661.15
  5. Step 5: Solve for x
    x = 2,803,632,661.15/70,776.62
  6. Step 6: Final answer
    x = 39,612.42

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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.