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Finding the Fourth Proportional to 16,113.79, 22,236.55 and 9,040.51

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Solution

The fourth proportional to 16,113.79, 22,236.55 and 9,040.51 is: 12,475.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,113.79 : 22,236.55 = 9,040.51 : x
  2. Step 2: Convert to fraction form
    16,113.79/22,236.55 = 9,040.51/x
  3. Step 3: Cross multiply
    16,113.79x = 22,236.55 × 9,040.51
  4. Step 4: Simplify right side
    16,113.79x = 201,029,752.64
  5. Step 5: Solve for x
    x = 201,029,752.64/16,113.79
  6. Step 6: Final answer
    x = 12,475.63

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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.