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Finding the Fourth Proportional to 11,530.20, 15,912.00 and 7,053.87

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Solution

The fourth proportional to 11,530.20, 15,912.00 and 7,053.87 is: 9,734.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,530.20 : 15,912.00 = 7,053.87 : x
  2. Step 2: Convert to fraction form
    11,530.20/15,912.00 = 7,053.87/x
  3. Step 3: Cross multiply
    11,530.20x = 15,912.00 × 7,053.87
  4. Step 4: Simplify right side
    11,530.20x = 112,241,144.17
  5. Step 5: Solve for x
    x = 112,241,144.17/11,530.20
  6. Step 6: Final answer
    x = 9,734.54

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