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Finding the Fourth Proportional to 16,665.18, 24,992.90 and 7,897.74

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Solution

The fourth proportional to 16,665.18, 24,992.90 and 7,897.74 is: 11,844.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,665.18 : 24,992.90 = 7,897.74 : x
  2. Step 2: Convert to fraction form
    16,665.18/24,992.90 = 7,897.74/x
  3. Step 3: Cross multiply
    16,665.18x = 24,992.90 × 7,897.74
  4. Step 4: Simplify right side
    16,665.18x = 197,387,426.05
  5. Step 5: Solve for x
    x = 197,387,426.05/16,665.18
  6. Step 6: Final answer
    x = 11,844.30

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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.