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Finding the Fourth Proportional to 62,405.33, 86,105.79 and 36,913.10

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Solution

The fourth proportional to 62,405.33, 86,105.79 and 36,913.10 is: 50,932.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,405.33 : 86,105.79 = 36,913.10 : x
  2. Step 2: Convert to fraction form
    62,405.33/86,105.79 = 36,913.10/x
  3. Step 3: Cross multiply
    62,405.33x = 86,105.79 × 36,913.10
  4. Step 4: Simplify right side
    62,405.33x = 3,178,431,636.85
  5. Step 5: Solve for x
    x = 3,178,431,636.85/62,405.33
  6. Step 6: Final answer
    x = 50,932.05

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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.