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Finding the Fourth Proportional to 27,066.60, 40,592.70 and 8,346.60

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Solution

The fourth proportional to 27,066.60, 40,592.70 and 8,346.60 is: 12,517.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,066.60 : 40,592.70 = 8,346.60 : x
  2. Step 2: Convert to fraction form
    27,066.60/40,592.70 = 8,346.60/x
  3. Step 3: Cross multiply
    27,066.60x = 40,592.70 × 8,346.60
  4. Step 4: Simplify right side
    27,066.60x = 338,811,029.82
  5. Step 5: Solve for x
    x = 338,811,029.82/27,066.60
  6. Step 6: Final answer
    x = 12,517.68

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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.