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Finding the Fourth Proportional to 14,328.76, 21,467.71 and 5,990.39

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Solution

The fourth proportional to 14,328.76, 21,467.71 and 5,990.39 is: 8,974.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.76 : 21,467.71 = 5,990.39 : x
  2. Step 2: Convert to fraction form
    14,328.76/21,467.71 = 5,990.39/x
  3. Step 3: Cross multiply
    14,328.76x = 21,467.71 × 5,990.39
  4. Step 4: Simplify right side
    14,328.76x = 128,599,994.00
  5. Step 5: Solve for x
    x = 128,599,994.00/14,328.76
  6. Step 6: Final answer
    x = 8,974.96

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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.