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Finding the Fourth Proportional to 5,758.88, 8,627.02 and 2,987.36

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Solution

The fourth proportional to 5,758.88, 8,627.02 and 2,987.36 is: 4,475.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,758.88 : 8,627.02 = 2,987.36 : x
  2. Step 2: Convert to fraction form
    5,758.88/8,627.02 = 2,987.36/x
  3. Step 3: Cross multiply
    5,758.88x = 8,627.02 × 2,987.36
  4. Step 4: Simplify right side
    5,758.88x = 25,772,014.47
  5. Step 5: Solve for x
    x = 25,772,014.47/5,758.88
  6. Step 6: Final answer
    x = 4,475.18

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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.