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Finding the Fourth Proportional to 13,299.52, 19,948.04 and 4,065.52

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Solution

The fourth proportional to 13,299.52, 19,948.04 and 4,065.52 is: 6,097.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.52 : 19,948.04 = 4,065.52 : x
  2. Step 2: Convert to fraction form
    13,299.52/19,948.04 = 4,065.52/x
  3. Step 3: Cross multiply
    13,299.52x = 19,948.04 × 4,065.52
  4. Step 4: Simplify right side
    13,299.52x = 81,099,155.58
  5. Step 5: Solve for x
    x = 81,099,155.58/13,299.52
  6. Step 6: Final answer
    x = 6,097.90

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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.