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Finding the Fourth Proportional to 40,161.65, 60,245.62 and 10,579.14

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Solution

The fourth proportional to 40,161.65, 60,245.62 and 10,579.14 is: 15,869.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,161.65 : 60,245.62 = 10,579.14 : x
  2. Step 2: Convert to fraction form
    40,161.65/60,245.62 = 10,579.14/x
  3. Step 3: Cross multiply
    40,161.65x = 60,245.62 × 10,579.14
  4. Step 4: Simplify right side
    40,161.65x = 637,346,821.92
  5. Step 5: Solve for x
    x = 637,346,821.92/40,161.65
  6. Step 6: Final answer
    x = 15,869.54

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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.