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Finding the Fourth Proportional to 14,562.49, 20,099.56 and 10,309.13

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Solution

The fourth proportional to 14,562.49, 20,099.56 and 10,309.13 is: 14,228.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,562.49 : 20,099.56 = 10,309.13 : x
  2. Step 2: Convert to fraction form
    14,562.49/20,099.56 = 10,309.13/x
  3. Step 3: Cross multiply
    14,562.49x = 20,099.56 × 10,309.13
  4. Step 4: Simplify right side
    14,562.49x = 207,208,925.44
  5. Step 5: Solve for x
    x = 207,208,925.44/14,562.49
  6. Step 6: Final answer
    x = 14,228.95

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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.