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Finding the Fourth Proportional to 5,920.68, 8,881.02 and 4,764

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Solution

The fourth proportional to 5,920.68, 8,881.02 and 4,764 is: 7,146

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.68 : 8,881.02 = 4,764 : x
  2. Step 2: Convert to fraction form
    5,920.68/8,881.02 = 4,764/x
  3. Step 3: Cross multiply
    5,920.68x = 8,881.02 × 4,764
  4. Step 4: Simplify right side
    5,920.68x = 42,309,179.28
  5. Step 5: Solve for x
    x = 42,309,179.28/5,920.68
  6. Step 6: Final answer
    x = 7,146

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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.