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Finding the Fourth Proportional to 17,647.86, 26,471.88 and 5,961.18

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Solution

The fourth proportional to 17,647.86, 26,471.88 and 5,961.18 is: 8,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,647.86 : 26,471.88 = 5,961.18 : x
  2. Step 2: Convert to fraction form
    17,647.86/26,471.88 = 5,961.18/x
  3. Step 3: Cross multiply
    17,647.86x = 26,471.88 × 5,961.18
  4. Step 4: Simplify right side
    17,647.86x = 157,803,641.62
  5. Step 5: Solve for x
    x = 157,803,641.62/17,647.86
  6. Step 6: Final answer
    x = 8,941.80

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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.