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Finding the Fourth Proportional to 11,062.52, 16,580.94 and 4,480.52

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Solution

The fourth proportional to 11,062.52, 16,580.94 and 4,480.52 is: 6,715.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,062.52 : 16,580.94 = 4,480.52 : x
  2. Step 2: Convert to fraction form
    11,062.52/16,580.94 = 4,480.52/x
  3. Step 3: Cross multiply
    11,062.52x = 16,580.94 × 4,480.52
  4. Step 4: Simplify right side
    11,062.52x = 74,291,233.29
  5. Step 5: Solve for x
    x = 74,291,233.29/11,062.52
  6. Step 6: Final answer
    x = 6,715.58

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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.