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Finding the Fourth Proportional to 58,674.78, 80,949.51 and 40,524.30

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Solution

The fourth proportional to 58,674.78, 80,949.51 and 40,524.30 is: 55,908.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,674.78 : 80,949.51 = 40,524.30 : x
  2. Step 2: Convert to fraction form
    58,674.78/80,949.51 = 40,524.30/x
  3. Step 3: Cross multiply
    58,674.78x = 80,949.51 × 40,524.30
  4. Step 4: Simplify right side
    58,674.78x = 3,280,422,228.09
  5. Step 5: Solve for x
    x = 3,280,422,228.09/58,674.78
  6. Step 6: Final answer
    x = 55,908.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.