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Finding the Fourth Proportional to 27,034.70, 40,539.70 and 8,308.22

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Solution

The fourth proportional to 27,034.70, 40,539.70 and 8,308.22 is: 12,458.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,034.70 : 40,539.70 = 8,308.22 : x
  2. Step 2: Convert to fraction form
    27,034.70/40,539.70 = 8,308.22/x
  3. Step 3: Cross multiply
    27,034.70x = 40,539.70 × 8,308.22
  4. Step 4: Simplify right side
    27,034.70x = 336,812,522.86
  5. Step 5: Solve for x
    x = 336,812,522.86/27,034.70
  6. Step 6: Final answer
    x = 12,458.53

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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.