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Finding the Fourth Proportional to 5,753.58, 8,630.72 and 1,805.58

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Solution

The fourth proportional to 5,753.58, 8,630.72 and 1,805.58 is: 2,708.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,753.58 : 8,630.72 = 1,805.58 : x
  2. Step 2: Convert to fraction form
    5,753.58/8,630.72 = 1,805.58/x
  3. Step 3: Cross multiply
    5,753.58x = 8,630.72 × 1,805.58
  4. Step 4: Simplify right side
    5,753.58x = 15,583,446.39
  5. Step 5: Solve for x
    x = 15,583,446.39/5,753.58
  6. Step 6: Final answer
    x = 2,708.48

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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.