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Finding the Fourth Proportional to 5,913.92, 8,877.04 and 4,355.69

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Solution

The fourth proportional to 5,913.92, 8,877.04 and 4,355.69 is: 6,538.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.92 : 8,877.04 = 4,355.69 : x
  2. Step 2: Convert to fraction form
    5,913.92/8,877.04 = 4,355.69/x
  3. Step 3: Cross multiply
    5,913.92x = 8,877.04 × 4,355.69
  4. Step 4: Simplify right side
    5,913.92x = 38,665,579.08
  5. Step 5: Solve for x
    x = 38,665,579.08/5,913.92
  6. Step 6: Final answer
    x = 6,538.06

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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.