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Finding the Fourth Proportional to 14,663.73, 21,987.38 and 6,338.55

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Solution

The fourth proportional to 14,663.73, 21,987.38 and 6,338.55 is: 9,504.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,663.73 : 21,987.38 = 6,338.55 : x
  2. Step 2: Convert to fraction form
    14,663.73/21,987.38 = 6,338.55/x
  3. Step 3: Cross multiply
    14,663.73x = 21,987.38 × 6,338.55
  4. Step 4: Simplify right side
    14,663.73x = 139,368,075.81
  5. Step 5: Solve for x
    x = 139,368,075.81/14,663.73
  6. Step 6: Final answer
    x = 9,504.27

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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.