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Finding the Fourth Proportional to 85,383.40, 127,967.10 and 32,722.60

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Solution

The fourth proportional to 85,383.40, 127,967.10 and 32,722.60 is: 49,042.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,383.40 : 127,967.10 = 32,722.60 : x
  2. Step 2: Convert to fraction form
    85,383.40/127,967.10 = 32,722.60/x
  3. Step 3: Cross multiply
    85,383.40x = 127,967.10 × 32,722.60
  4. Step 4: Simplify right side
    85,383.40x = 4,187,416,226.46
  5. Step 5: Solve for x
    x = 4,187,416,226.46/85,383.40
  6. Step 6: Final answer
    x = 49,042.51

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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.