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Finding the Fourth Proportional to 8,334.56, 12,502.28 and 2,491.22

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Solution

The fourth proportional to 8,334.56, 12,502.28 and 2,491.22 is: 3,736.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,334.56 : 12,502.28 = 2,491.22 : x
  2. Step 2: Convert to fraction form
    8,334.56/12,502.28 = 2,491.22/x
  3. Step 3: Cross multiply
    8,334.56x = 12,502.28 × 2,491.22
  4. Step 4: Simplify right side
    8,334.56x = 31,145,967.47
  5. Step 5: Solve for x
    x = 31,145,967.47/8,334.56
  6. Step 6: Final answer
    x = 3,736.96

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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.