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Finding the Fourth Proportional to 8,194.84, 12,291.99 and 4,498.81

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Solution

The fourth proportional to 8,194.84, 12,291.99 and 4,498.81 is: 6,748.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,194.84 : 12,291.99 = 4,498.81 : x
  2. Step 2: Convert to fraction form
    8,194.84/12,291.99 = 4,498.81/x
  3. Step 3: Cross multiply
    8,194.84x = 12,291.99 × 4,498.81
  4. Step 4: Simplify right side
    8,194.84x = 55,299,327.53
  5. Step 5: Solve for x
    x = 55,299,327.53/8,194.84
  6. Step 6: Final answer
    x = 6,748.07

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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.