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Finding the Fourth Proportional to 5,913.96, 8,883.24 and 4,991.32

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Solution

The fourth proportional to 5,913.96, 8,883.24 and 4,991.32 is: 7,497.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.96 : 8,883.24 = 4,991.32 : x
  2. Step 2: Convert to fraction form
    5,913.96/8,883.24 = 4,991.32/x
  3. Step 3: Cross multiply
    5,913.96x = 8,883.24 × 4,991.32
  4. Step 4: Simplify right side
    5,913.96x = 44,339,093.48
  5. Step 5: Solve for x
    x = 44,339,093.48/5,913.96
  6. Step 6: Final answer
    x = 7,497.36

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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.