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Finding the Fourth Proportional to 45,452.70, 68,178.84 and 17,750.70

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Solution

The fourth proportional to 45,452.70, 68,178.84 and 17,750.70 is: 26,625.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,452.70 : 68,178.84 = 17,750.70 : x
  2. Step 2: Convert to fraction form
    45,452.70/68,178.84 = 17,750.70/x
  3. Step 3: Cross multiply
    45,452.70x = 68,178.84 × 17,750.70
  4. Step 4: Simplify right side
    45,452.70x = 1,210,222,135.19
  5. Step 5: Solve for x
    x = 1,210,222,135.19/45,452.70
  6. Step 6: Final answer
    x = 26,625.97

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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.