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Finding the Fourth Proportional to 6,066.72, 9,102.96 and 2,988

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Solution

The fourth proportional to 6,066.72, 9,102.96 and 2,988 is: 4,483.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,066.72 : 9,102.96 = 2,988 : x
  2. Step 2: Convert to fraction form
    6,066.72/9,102.96 = 2,988/x
  3. Step 3: Cross multiply
    6,066.72x = 9,102.96 × 2,988
  4. Step 4: Simplify right side
    6,066.72x = 27,199,644.48
  5. Step 5: Solve for x
    x = 27,199,644.48/6,066.72
  6. Step 6: Final answer
    x = 4,483.42

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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.