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Finding the Fourth Proportional to 16,127.39, 22,257.92 and 9,053.81

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Solution

The fourth proportional to 16,127.39, 22,257.92 and 9,053.81 is: 12,495.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,127.39 : 22,257.92 = 9,053.81 : x
  2. Step 2: Convert to fraction form
    16,127.39/22,257.92 = 9,053.81/x
  3. Step 3: Cross multiply
    16,127.39x = 22,257.92 × 9,053.81
  4. Step 4: Simplify right side
    16,127.39x = 201,518,978.68
  5. Step 5: Solve for x
    x = 201,518,978.68/16,127.39
  6. Step 6: Final answer
    x = 12,495.45

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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.