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Finding the Fourth Proportional to 14,028.36, 21,046.62 and 5,263.96

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Solution

The fourth proportional to 14,028.36, 21,046.62 and 5,263.96 is: 7,897.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.36 : 21,046.62 = 5,263.96 : x
  2. Step 2: Convert to fraction form
    14,028.36/21,046.62 = 5,263.96/x
  3. Step 3: Cross multiply
    14,028.36x = 21,046.62 × 5,263.96
  4. Step 4: Simplify right side
    14,028.36x = 110,788,565.82
  5. Step 5: Solve for x
    x = 110,788,565.82/14,028.36
  6. Step 6: Final answer
    x = 7,897.47

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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.