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Finding the Fourth Proportional to 5,987.44, 8,973.06 and 4,689.28

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Solution

The fourth proportional to 5,987.44, 8,973.06 and 4,689.28 is: 7,027.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.44 : 8,973.06 = 4,689.28 : x
  2. Step 2: Convert to fraction form
    5,987.44/8,973.06 = 4,689.28/x
  3. Step 3: Cross multiply
    5,987.44x = 8,973.06 × 4,689.28
  4. Step 4: Simplify right side
    5,987.44x = 42,077,190.80
  5. Step 5: Solve for x
    x = 42,077,190.80/5,987.44
  6. Step 6: Final answer
    x = 7,027.58

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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.