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Finding the Fourth Proportional to 5,371.96, 8,054.64 and 4,913.58

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Solution

The fourth proportional to 5,371.96, 8,054.64 and 4,913.58 is: 7,367.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.96 : 8,054.64 = 4,913.58 : x
  2. Step 2: Convert to fraction form
    5,371.96/8,054.64 = 4,913.58/x
  3. Step 3: Cross multiply
    5,371.96x = 8,054.64 × 4,913.58
  4. Step 4: Simplify right side
    5,371.96x = 39,577,118.01
  5. Step 5: Solve for x
    x = 39,577,118.01/5,371.96
  6. Step 6: Final answer
    x = 7,367.35

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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.