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Finding the Fourth Proportional to 84,605.28, 126,904.60 and 34,673.37

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Solution

The fourth proportional to 84,605.28, 126,904.60 and 34,673.37 is: 52,008.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,605.28 : 126,904.60 = 34,673.37 : x
  2. Step 2: Convert to fraction form
    84,605.28/126,904.60 = 34,673.37/x
  3. Step 3: Cross multiply
    84,605.28x = 126,904.60 × 34,673.37
  4. Step 4: Simplify right side
    84,605.28x = 4,400,210,150.50
  5. Step 5: Solve for x
    x = 4,400,210,150.50/84,605.28
  6. Step 6: Final answer
    x = 52,008.69

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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.