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Finding the Fourth Proportional to 17,888.10, 24,674.52 and 11,512.62

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Solution

The fourth proportional to 17,888.10, 24,674.52 and 11,512.62 is: 15,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,888.10 : 24,674.52 = 11,512.62 : x
  2. Step 2: Convert to fraction form
    17,888.10/24,674.52 = 11,512.62/x
  3. Step 3: Cross multiply
    17,888.10x = 24,674.52 × 11,512.62
  4. Step 4: Simplify right side
    17,888.10x = 284,068,372.44
  5. Step 5: Solve for x
    x = 284,068,372.44/17,888.10
  6. Step 6: Final answer
    x = 15,880.30

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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.