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Finding the Fourth Proportional to 56,534.76, 84,640.86 and 44,865

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Solution

The fourth proportional to 56,534.76, 84,640.86 and 44,865 is: 67,169.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,534.76 : 84,640.86 = 44,865 : x
  2. Step 2: Convert to fraction form
    56,534.76/84,640.86 = 44,865/x
  3. Step 3: Cross multiply
    56,534.76x = 84,640.86 × 44,865
  4. Step 4: Simplify right side
    56,534.76x = 3,797,412,183.90
  5. Step 5: Solve for x
    x = 3,797,412,183.90/56,534.76
  6. Step 6: Final answer
    x = 67,169.51

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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.