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Finding the Fourth Proportional to 5,924.88, 8,890.56 and 5,311.44

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Solution

The fourth proportional to 5,924.88, 8,890.56 and 5,311.44 is: 7,970.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,924.88 : 8,890.56 = 5,311.44 : x
  2. Step 2: Convert to fraction form
    5,924.88/8,890.56 = 5,311.44/x
  3. Step 3: Cross multiply
    5,924.88x = 8,890.56 × 5,311.44
  4. Step 4: Simplify right side
    5,924.88x = 47,221,676.01
  5. Step 5: Solve for x
    x = 47,221,676.01/5,924.88
  6. Step 6: Final answer
    x = 7,970.06

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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.