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Finding the Fourth Proportional to 5,972.22, 8,958.42 and 1,590.30

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Solution

The fourth proportional to 5,972.22, 8,958.42 and 1,590.30 is: 2,385.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,972.22 : 8,958.42 = 1,590.30 : x
  2. Step 2: Convert to fraction form
    5,972.22/8,958.42 = 1,590.30/x
  3. Step 3: Cross multiply
    5,972.22x = 8,958.42 × 1,590.30
  4. Step 4: Simplify right side
    5,972.22x = 14,246,575.33
  5. Step 5: Solve for x
    x = 14,246,575.33/5,972.22
  6. Step 6: Final answer
    x = 2,385.47

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Similar ratio
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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.