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Finding the Fourth Proportional to 8,269.81, 12,401.13 and 3,003.07

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Solution

The fourth proportional to 8,269.81, 12,401.13 and 3,003.07 is: 4,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.81 : 12,401.13 = 3,003.07 : x
  2. Step 2: Convert to fraction form
    8,269.81/12,401.13 = 3,003.07/x
  3. Step 3: Cross multiply
    8,269.81x = 12,401.13 × 3,003.07
  4. Step 4: Simplify right side
    8,269.81x = 37,241,461.47
  5. Step 5: Solve for x
    x = 37,241,461.47/8,269.81
  6. Step 6: Final answer
    x = 4,503.30

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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.