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Finding the Fourth Proportional to 17,647.74, 26,471.61 and 8,880.57

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Solution

The fourth proportional to 17,647.74, 26,471.61 and 8,880.57 is: 13,320.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,647.74 : 26,471.61 = 8,880.57 : x
  2. Step 2: Convert to fraction form
    17,647.74/26,471.61 = 8,880.57/x
  3. Step 3: Cross multiply
    17,647.74x = 26,471.61 × 8,880.57
  4. Step 4: Simplify right side
    17,647.74x = 235,082,985.62
  5. Step 5: Solve for x
    x = 235,082,985.62/17,647.74
  6. Step 6: Final answer
    x = 13,320.86

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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.