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Finding the Fourth Proportional to 8,818.84, 12,169.92 and 4,839.94

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Solution

The fourth proportional to 8,818.84, 12,169.92 and 4,839.94 is: 6,679.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.84 : 12,169.92 = 4,839.94 : x
  2. Step 2: Convert to fraction form
    8,818.84/12,169.92 = 4,839.94/x
  3. Step 3: Cross multiply
    8,818.84x = 12,169.92 × 4,839.94
  4. Step 4: Simplify right side
    8,818.84x = 58,901,682.60
  5. Step 5: Solve for x
    x = 58,901,682.60/8,818.84
  6. Step 6: Final answer
    x = 6,679.07

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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.