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Finding the Fourth Proportional to 5,988.56, 8,977.28 and 3,060.40

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Solution

The fourth proportional to 5,988.56, 8,977.28 and 3,060.40 is: 4,587.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,988.56 : 8,977.28 = 3,060.40 : x
  2. Step 2: Convert to fraction form
    5,988.56/8,977.28 = 3,060.40/x
  3. Step 3: Cross multiply
    5,988.56x = 8,977.28 × 3,060.40
  4. Step 4: Simplify right side
    5,988.56x = 27,474,067.71
  5. Step 5: Solve for x
    x = 27,474,067.71/5,988.56
  6. Step 6: Final answer
    x = 4,587.76

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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.