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Finding the Fourth Proportional to 11,358.66, 15,675.69 and 7,579.41

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Solution

The fourth proportional to 11,358.66, 15,675.69 and 7,579.41 is: 10,460.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,358.66 : 15,675.69 = 7,579.41 : x
  2. Step 2: Convert to fraction form
    11,358.66/15,675.69 = 7,579.41/x
  3. Step 3: Cross multiply
    11,358.66x = 15,675.69 × 7,579.41
  4. Step 4: Simplify right side
    11,358.66x = 118,812,519.49
  5. Step 5: Solve for x
    x = 118,812,519.49/11,358.66
  6. Step 6: Final answer
    x = 10,460.09

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Why These Related Problems?

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