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Finding the Fourth Proportional to 39,995.46, 59,989.68 and 36,863.46

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Solution

The fourth proportional to 39,995.46, 59,989.68 and 36,863.46 is: 55,291.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,995.46 : 59,989.68 = 36,863.46 : x
  2. Step 2: Convert to fraction form
    39,995.46/59,989.68 = 36,863.46/x
  3. Step 3: Cross multiply
    39,995.46x = 59,989.68 × 36,863.46
  4. Step 4: Simplify right side
    39,995.46x = 2,211,427,169.09
  5. Step 5: Solve for x
    x = 2,211,427,169.09/39,995.46
  6. Step 6: Final answer
    x = 55,291.95

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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.