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Finding the Fourth Proportional to 7,236.66, 10,855.79 and 2,305.16

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Solution

The fourth proportional to 7,236.66, 10,855.79 and 2,305.16 is: 3,457.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.66 : 10,855.79 = 2,305.16 : x
  2. Step 2: Convert to fraction form
    7,236.66/10,855.79 = 2,305.16/x
  3. Step 3: Cross multiply
    7,236.66x = 10,855.79 × 2,305.16
  4. Step 4: Simplify right side
    7,236.66x = 25,024,332.88
  5. Step 5: Solve for x
    x = 25,024,332.88/7,236.66
  6. Step 6: Final answer
    x = 3,457.99

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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.