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Finding the Fourth Proportional to 13,246.56, 19,870.44 and 5,349.60

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Solution

The fourth proportional to 13,246.56, 19,870.44 and 5,349.60 is: 8,024.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.56 : 19,870.44 = 5,349.60 : x
  2. Step 2: Convert to fraction form
    13,246.56/19,870.44 = 5,349.60/x
  3. Step 3: Cross multiply
    13,246.56x = 19,870.44 × 5,349.60
  4. Step 4: Simplify right side
    13,246.56x = 106,298,905.82
  5. Step 5: Solve for x
    x = 106,298,905.82/13,246.56
  6. Step 6: Final answer
    x = 8,024.64

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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.