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Finding the Fourth Proportional to 8,169.84, 12,254.49 and 4,473.81

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Solution

The fourth proportional to 8,169.84, 12,254.49 and 4,473.81 is: 6,710.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.84 : 12,254.49 = 4,473.81 : x
  2. Step 2: Convert to fraction form
    8,169.84/12,254.49 = 4,473.81/x
  3. Step 3: Cross multiply
    8,169.84x = 12,254.49 × 4,473.81
  4. Step 4: Simplify right side
    8,169.84x = 54,824,259.91
  5. Step 5: Solve for x
    x = 54,824,259.91/8,169.84
  6. Step 6: Final answer
    x = 6,710.57

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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.