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Finding the Fourth Proportional to 8,210.93, 12,313.22 and 2,663.46

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Solution

The fourth proportional to 8,210.93, 12,313.22 and 2,663.46 is: 3,994.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.93 : 12,313.22 = 2,663.46 : x
  2. Step 2: Convert to fraction form
    8,210.93/12,313.22 = 2,663.46/x
  3. Step 3: Cross multiply
    8,210.93x = 12,313.22 × 2,663.46
  4. Step 4: Simplify right side
    8,210.93x = 32,795,755.62
  5. Step 5: Solve for x
    x = 32,795,755.62/8,210.93
  6. Step 6: Final answer
    x = 3,994.16

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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.