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Finding the Fourth Proportional to 13,998.60, 19,312.58 and 8,027.08

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Solution

The fourth proportional to 13,998.60, 19,312.58 and 8,027.08 is: 11,074.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998.60 : 19,312.58 = 8,027.08 : x
  2. Step 2: Convert to fraction form
    13,998.60/19,312.58 = 8,027.08/x
  3. Step 3: Cross multiply
    13,998.60x = 19,312.58 × 8,027.08
  4. Step 4: Simplify right side
    13,998.60x = 155,023,624.67
  5. Step 5: Solve for x
    x = 155,023,624.67/13,998.60
  6. Step 6: Final answer
    x = 11,074.22

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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.