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Finding the Fourth Proportional to 13,002.96, 19,488.25 and 5,975.50

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Solution

The fourth proportional to 13,002.96, 19,488.25 and 5,975.50 is: 8,955.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,002.96 : 19,488.25 = 5,975.50 : x
  2. Step 2: Convert to fraction form
    13,002.96/19,488.25 = 5,975.50/x
  3. Step 3: Cross multiply
    13,002.96x = 19,488.25 × 5,975.50
  4. Step 4: Simplify right side
    13,002.96x = 116,451,944.74
  5. Step 5: Solve for x
    x = 116,451,944.74/13,002.96
  6. Step 6: Final answer
    x = 8,955.81

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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.