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Finding the Fourth Proportional to 13,952.61, 20,930.94 and 5,068.53

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Solution

The fourth proportional to 13,952.61, 20,930.94 and 5,068.53 is: 7,603.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,952.61 : 20,930.94 = 5,068.53 : x
  2. Step 2: Convert to fraction form
    13,952.61/20,930.94 = 5,068.53/x
  3. Step 3: Cross multiply
    13,952.61x = 20,930.94 × 5,068.53
  4. Step 4: Simplify right side
    13,952.61x = 106,089,097.32
  5. Step 5: Solve for x
    x = 106,089,097.32/13,952.61
  6. Step 6: Final answer
    x = 7,603.53

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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.