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Finding the Fourth Proportional to 62,206.40, 85,844.40 and 35,346.80

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Solution

The fourth proportional to 62,206.40, 85,844.40 and 35,346.80 is: 48,778.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,206.40 : 85,844.40 = 35,346.80 : x
  2. Step 2: Convert to fraction form
    62,206.40/85,844.40 = 35,346.80/x
  3. Step 3: Cross multiply
    62,206.40x = 85,844.40 × 35,346.80
  4. Step 4: Simplify right side
    62,206.40x = 3,034,324,837.92
  5. Step 5: Solve for x
    x = 3,034,324,837.92/62,206.40
  6. Step 6: Final answer
    x = 48,778.34

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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.