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Finding the Fourth Proportional to 13,301.85, 18,356.48 and 7,333.50

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Solution

The fourth proportional to 13,301.85, 18,356.48 and 7,333.50 is: 10,120.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.85 : 18,356.48 = 7,333.50 : x
  2. Step 2: Convert to fraction form
    13,301.85/18,356.48 = 7,333.50/x
  3. Step 3: Cross multiply
    13,301.85x = 18,356.48 × 7,333.50
  4. Step 4: Simplify right side
    13,301.85x = 134,617,154.30
  5. Step 5: Solve for x
    x = 134,617,154.30/13,301.85
  6. Step 6: Final answer
    x = 10,120.19

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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.