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Finding the Fourth Proportional to 17,459.15, 26,179.95 and 8,575.07

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Solution

The fourth proportional to 17,459.15, 26,179.95 and 8,575.07 is: 12,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,459.15 : 26,179.95 = 8,575.07 : x
  2. Step 2: Convert to fraction form
    17,459.15/26,179.95 = 8,575.07/x
  3. Step 3: Cross multiply
    17,459.15x = 26,179.95 × 8,575.07
  4. Step 4: Simplify right side
    17,459.15x = 224,494,903.85
  5. Step 5: Solve for x
    x = 224,494,903.85/17,459.15
  6. Step 6: Final answer
    x = 12,858.30

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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.