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Finding the Fourth Proportional to 68,858.46, 103,253.58 and 24,478.56

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Solution

The fourth proportional to 68,858.46, 103,253.58 and 24,478.56 is: 36,705.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,858.46 : 103,253.58 = 24,478.56 : x
  2. Step 2: Convert to fraction form
    68,858.46/103,253.58 = 24,478.56/x
  3. Step 3: Cross multiply
    68,858.46x = 103,253.58 × 24,478.56
  4. Step 4: Simplify right side
    68,858.46x = 2,527,498,953.24
  5. Step 5: Solve for x
    x = 2,527,498,953.24/68,858.46
  6. Step 6: Final answer
    x = 36,705.71

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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.