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Finding the Fourth Proportional to 8,234.76, 11,363.95 and 4,457.92

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Solution

The fourth proportional to 8,234.76, 11,363.95 and 4,457.92 is: 6,151.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.76 : 11,363.95 = 4,457.92 : x
  2. Step 2: Convert to fraction form
    8,234.76/11,363.95 = 4,457.92/x
  3. Step 3: Cross multiply
    8,234.76x = 11,363.95 × 4,457.92
  4. Step 4: Simplify right side
    8,234.76x = 50,659,635.00
  5. Step 5: Solve for x
    x = 50,659,635.00/8,234.76
  6. Step 6: Final answer
    x = 6,151.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.