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Finding the Fourth Proportional to 17,840.58, 24,606.14 and 12,179.89

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Solution

The fourth proportional to 17,840.58, 24,606.14 and 12,179.89 is: 16,798.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,840.58 : 24,606.14 = 12,179.89 : x
  2. Step 2: Convert to fraction form
    17,840.58/24,606.14 = 12,179.89/x
  3. Step 3: Cross multiply
    17,840.58x = 24,606.14 × 12,179.89
  4. Step 4: Simplify right side
    17,840.58x = 299,700,078.52
  5. Step 5: Solve for x
    x = 299,700,078.52/17,840.58
  6. Step 6: Final answer
    x = 16,798.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.