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Finding the Fourth Proportional to 14,093.36, 21,140.72 and 7,848.68

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Solution

The fourth proportional to 14,093.36, 21,140.72 and 7,848.68 is: 11,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,093.36 : 21,140.72 = 7,848.68 : x
  2. Step 2: Convert to fraction form
    14,093.36/21,140.72 = 7,848.68/x
  3. Step 3: Cross multiply
    14,093.36x = 21,140.72 × 7,848.68
  4. Step 4: Simplify right side
    14,093.36x = 165,926,746.25
  5. Step 5: Solve for x
    x = 165,926,746.25/14,093.36
  6. Step 6: Final answer
    x = 11,773.40

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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.