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Finding the Fourth Proportional to 8,845.28, 13,267.95 and 8,401.85

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Solution

The fourth proportional to 8,845.28, 13,267.95 and 8,401.85 is: 12,602.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845.28 : 13,267.95 = 8,401.85 : x
  2. Step 2: Convert to fraction form
    8,845.28/13,267.95 = 8,401.85/x
  3. Step 3: Cross multiply
    8,845.28x = 13,267.95 × 8,401.85
  4. Step 4: Simplify right side
    8,845.28x = 111,475,325.71
  5. Step 5: Solve for x
    x = 111,475,325.71/8,845.28
  6. Step 6: Final answer
    x = 12,602.81

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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.