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Finding the Fourth Proportional to 5,666.59, 7,819.89 and 3,308.27

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Solution

The fourth proportional to 5,666.59, 7,819.89 and 3,308.27 is: 4,565.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666.59 : 7,819.89 = 3,308.27 : x
  2. Step 2: Convert to fraction form
    5,666.59/7,819.89 = 3,308.27/x
  3. Step 3: Cross multiply
    5,666.59x = 7,819.89 × 3,308.27
  4. Step 4: Simplify right side
    5,666.59x = 25,870,307.49
  5. Step 5: Solve for x
    x = 25,870,307.49/5,666.59
  6. Step 6: Final answer
    x = 4,565.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.