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Finding the Fourth Proportional to 11,913.71, 17,873.15 and 3,593.07

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Solution

The fourth proportional to 11,913.71, 17,873.15 and 3,593.07 is: 5,390.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.71 : 17,873.15 = 3,593.07 : x
  2. Step 2: Convert to fraction form
    11,913.71/17,873.15 = 3,593.07/x
  3. Step 3: Cross multiply
    11,913.71x = 17,873.15 × 3,593.07
  4. Step 4: Simplify right side
    11,913.71x = 64,219,461.11
  5. Step 5: Solve for x
    x = 64,219,461.11/11,913.71
  6. Step 6: Final answer
    x = 5,390.39

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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.