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Finding the Fourth Proportional to 27,079.01, 40,622.36 and 8,355.56

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Solution

The fourth proportional to 27,079.01, 40,622.36 and 8,355.56 is: 12,534.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,079.01 : 40,622.36 = 8,355.56 : x
  2. Step 2: Convert to fraction form
    27,079.01/40,622.36 = 8,355.56/x
  3. Step 3: Cross multiply
    27,079.01x = 40,622.36 × 8,355.56
  4. Step 4: Simplify right side
    27,079.01x = 339,422,566.32
  5. Step 5: Solve for x
    x = 339,422,566.32/27,079.01
  6. Step 6: Final answer
    x = 12,534.53

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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.