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Finding the Fourth Proportional to 13,054.13, 18,014.72 and 7,465.13

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Solution

The fourth proportional to 13,054.13, 18,014.72 and 7,465.13 is: 10,301.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054.13 : 18,014.72 = 7,465.13 : x
  2. Step 2: Convert to fraction form
    13,054.13/18,014.72 = 7,465.13/x
  3. Step 3: Cross multiply
    13,054.13x = 18,014.72 × 7,465.13
  4. Step 4: Simplify right side
    13,054.13x = 134,482,099.31
  5. Step 5: Solve for x
    x = 134,482,099.31/13,054.13
  6. Step 6: Final answer
    x = 10,301.89

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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.