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Finding the Fourth Proportional to 13,507.37, 20,269.92 and 4,742.06

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Solution

The fourth proportional to 13,507.37, 20,269.92 and 4,742.06 is: 7,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507.37 : 20,269.92 = 4,742.06 : x
  2. Step 2: Convert to fraction form
    13,507.37/20,269.92 = 4,742.06/x
  3. Step 3: Cross multiply
    13,507.37x = 20,269.92 × 4,742.06
  4. Step 4: Simplify right side
    13,507.37x = 96,121,176.84
  5. Step 5: Solve for x
    x = 96,121,176.84/13,507.37
  6. Step 6: Final answer
    x = 7,116.20

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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.