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Finding the Fourth Proportional to 11,354.81, 15,669.99 and 6,250.52

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Solution

The fourth proportional to 11,354.81, 15,669.99 and 6,250.52 is: 8,625.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354.81 : 15,669.99 = 6,250.52 : x
  2. Step 2: Convert to fraction form
    11,354.81/15,669.99 = 6,250.52/x
  3. Step 3: Cross multiply
    11,354.81x = 15,669.99 × 6,250.52
  4. Step 4: Simplify right side
    11,354.81x = 97,945,625.07
  5. Step 5: Solve for x
    x = 97,945,625.07/11,354.81
  6. Step 6: Final answer
    x = 8,625.92

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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.