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Finding the Fourth Proportional to 15,073.63, 20,802.68 and 8,359.90

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Solution

The fourth proportional to 15,073.63, 20,802.68 and 8,359.90 is: 11,537.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,073.63 : 20,802.68 = 8,359.90 : x
  2. Step 2: Convert to fraction form
    15,073.63/20,802.68 = 8,359.90/x
  3. Step 3: Cross multiply
    15,073.63x = 20,802.68 × 8,359.90
  4. Step 4: Simplify right side
    15,073.63x = 173,908,324.53
  5. Step 5: Solve for x
    x = 173,908,324.53/15,073.63
  6. Step 6: Final answer
    x = 11,537.26

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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.