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Finding the Fourth Proportional to 16,548.36, 24,822.48 and 7,187.16

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Solution

The fourth proportional to 16,548.36, 24,822.48 and 7,187.16 is: 10,780.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,548.36 : 24,822.48 = 7,187.16 : x
  2. Step 2: Convert to fraction form
    16,548.36/24,822.48 = 7,187.16/x
  3. Step 3: Cross multiply
    16,548.36x = 24,822.48 × 7,187.16
  4. Step 4: Simplify right side
    16,548.36x = 178,403,135.36
  5. Step 5: Solve for x
    x = 178,403,135.36/16,548.36
  6. Step 6: Final answer
    x = 10,780.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.