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Finding the Fourth Proportional to 14,335.45, 19,782.92 and 8,047.82

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Solution

The fourth proportional to 14,335.45, 19,782.92 and 8,047.82 is: 11,105.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,335.45 : 19,782.92 = 8,047.82 : x
  2. Step 2: Convert to fraction form
    14,335.45/19,782.92 = 8,047.82/x
  3. Step 3: Cross multiply
    14,335.45x = 19,782.92 × 8,047.82
  4. Step 4: Simplify right side
    14,335.45x = 159,209,379.23
  5. Step 5: Solve for x
    x = 159,209,379.23/14,335.45
  6. Step 6: Final answer
    x = 11,105.99

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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.