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Finding the Fourth Proportional to 5,772.81, 8,656.14 and 2,996.69

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Solution

The fourth proportional to 5,772.81, 8,656.14 and 2,996.69 is: 4,493.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,772.81 : 8,656.14 = 2,996.69 : x
  2. Step 2: Convert to fraction form
    5,772.81/8,656.14 = 2,996.69/x
  3. Step 3: Cross multiply
    5,772.81x = 8,656.14 × 2,996.69
  4. Step 4: Simplify right side
    5,772.81x = 25,939,768.18
  5. Step 5: Solve for x
    x = 25,939,768.18/5,772.81
  6. Step 6: Final answer
    x = 4,493.44

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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.