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Finding the Fourth Proportional to 16,218.68, 24,362.58 and 15,270.66

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Solution

The fourth proportional to 16,218.68, 24,362.58 and 15,270.66 is: 22,938.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,218.68 : 24,362.58 = 15,270.66 : x
  2. Step 2: Convert to fraction form
    16,218.68/24,362.58 = 15,270.66/x
  3. Step 3: Cross multiply
    16,218.68x = 24,362.58 × 15,270.66
  4. Step 4: Simplify right side
    16,218.68x = 372,032,758.74
  5. Step 5: Solve for x
    x = 372,032,758.74/16,218.68
  6. Step 6: Final answer
    x = 22,938.54

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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.