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Finding the Fourth Proportional to 11,030.19, 16,548 and 5,486.16

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Solution

The fourth proportional to 11,030.19, 16,548 and 5,486.16 is: 8,230.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030.19 : 16,548 = 5,486.16 : x
  2. Step 2: Convert to fraction form
    11,030.19/16,548 = 5,486.16/x
  3. Step 3: Cross multiply
    11,030.19x = 16,548 × 5,486.16
  4. Step 4: Simplify right side
    11,030.19x = 90,784,975.68
  5. Step 5: Solve for x
    x = 90,784,975.68/11,030.19
  6. Step 6: Final answer
    x = 8,230.59

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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.