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Finding the Fourth Proportional to 14,695.56, 21,990.54 and 10,790.28

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Solution

The fourth proportional to 14,695.56, 21,990.54 and 10,790.28 is: 16,146.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,695.56 : 21,990.54 = 10,790.28 : x
  2. Step 2: Convert to fraction form
    14,695.56/21,990.54 = 10,790.28/x
  3. Step 3: Cross multiply
    14,695.56x = 21,990.54 × 10,790.28
  4. Step 4: Simplify right side
    14,695.56x = 237,284,083.95
  5. Step 5: Solve for x
    x = 237,284,083.95/14,695.56
  6. Step 6: Final answer
    x = 16,146.65

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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.