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Finding the Fourth Proportional to 5,308.71, 7,954.76 and 3,356.81

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Solution

The fourth proportional to 5,308.71, 7,954.76 and 3,356.81 is: 5,029.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.71 : 7,954.76 = 3,356.81 : x
  2. Step 2: Convert to fraction form
    5,308.71/7,954.76 = 3,356.81/x
  3. Step 3: Cross multiply
    5,308.71x = 7,954.76 × 3,356.81
  4. Step 4: Simplify right side
    5,308.71x = 26,702,646.19
  5. Step 5: Solve for x
    x = 26,702,646.19/5,308.71
  6. Step 6: Final answer
    x = 5,029.97

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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.