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Finding the Fourth Proportional to 16,558.60, 24,837.90 and 9,997.60

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Solution

The fourth proportional to 16,558.60, 24,837.90 and 9,997.60 is: 14,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,558.60 : 24,837.90 = 9,997.60 : x
  2. Step 2: Convert to fraction form
    16,558.60/24,837.90 = 9,997.60/x
  3. Step 3: Cross multiply
    16,558.60x = 24,837.90 × 9,997.60
  4. Step 4: Simplify right side
    16,558.60x = 248,319,389.04
  5. Step 5: Solve for x
    x = 248,319,389.04/16,558.60
  6. Step 6: Final answer
    x = 14,996.40

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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.