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Finding the Fourth Proportional to 14,470.58, 19,965.76 and 8,501.09

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Solution

The fourth proportional to 14,470.58, 19,965.76 and 8,501.09 is: 11,729.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,470.58 : 19,965.76 = 8,501.09 : x
  2. Step 2: Convert to fraction form
    14,470.58/19,965.76 = 8,501.09/x
  3. Step 3: Cross multiply
    14,470.58x = 19,965.76 × 8,501.09
  4. Step 4: Simplify right side
    14,470.58x = 169,730,601.60
  5. Step 5: Solve for x
    x = 169,730,601.60/14,470.58
  6. Step 6: Final answer
    x = 11,729.36

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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.