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Finding the Fourth Proportional to 13,495.14, 18,622.88 and 7,362.62

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Solution

The fourth proportional to 13,495.14, 18,622.88 and 7,362.62 is: 10,160.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495.14 : 18,622.88 = 7,362.62 : x
  2. Step 2: Convert to fraction form
    13,495.14/18,622.88 = 7,362.62/x
  3. Step 3: Cross multiply
    13,495.14x = 18,622.88 × 7,362.62
  4. Step 4: Simplify right side
    13,495.14x = 137,113,058.82
  5. Step 5: Solve for x
    x = 137,113,058.82/13,495.14
  6. Step 6: Final answer
    x = 10,160.18

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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.