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Finding the Fourth Proportional to 11,125.48, 16,645.02 and 7,652.20

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Solution

The fourth proportional to 11,125.48, 16,645.02 and 7,652.20 is: 11,448.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.48 : 16,645.02 = 7,652.20 : x
  2. Step 2: Convert to fraction form
    11,125.48/16,645.02 = 7,652.20/x
  3. Step 3: Cross multiply
    11,125.48x = 16,645.02 × 7,652.20
  4. Step 4: Simplify right side
    11,125.48x = 127,371,022.04
  5. Step 5: Solve for x
    x = 127,371,022.04/11,125.48
  6. Step 6: Final answer
    x = 11,448.59

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.