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Finding the Fourth Proportional to 4,661.84, 6,991.80 and 2,063.12

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Solution

The fourth proportional to 4,661.84, 6,991.80 and 2,063.12 is: 3,094.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.84 : 6,991.80 = 2,063.12 : x
  2. Step 2: Convert to fraction form
    4,661.84/6,991.80 = 2,063.12/x
  3. Step 3: Cross multiply
    4,661.84x = 6,991.80 × 2,063.12
  4. Step 4: Simplify right side
    4,661.84x = 14,424,922.42
  5. Step 5: Solve for x
    x = 14,424,922.42/4,661.84
  6. Step 6: Final answer
    x = 3,094.26

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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.