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Finding the Fourth Proportional to 8,395.76, 12,593.64 and 2,849.11

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Solution

The fourth proportional to 8,395.76, 12,593.64 and 2,849.11 is: 4,273.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395.76 : 12,593.64 = 2,849.11 : x
  2. Step 2: Convert to fraction form
    8,395.76/12,593.64 = 2,849.11/x
  3. Step 3: Cross multiply
    8,395.76x = 12,593.64 × 2,849.11
  4. Step 4: Simplify right side
    8,395.76x = 35,880,665.66
  5. Step 5: Solve for x
    x = 35,880,665.66/8,395.76
  6. Step 6: Final answer
    x = 4,273.67

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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.