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Finding the Fourth Proportional to 5,922.93, 8,886.42 and 2,638.38

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Solution

The fourth proportional to 5,922.93, 8,886.42 and 2,638.38 is: 3,958.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,922.93 : 8,886.42 = 2,638.38 : x
  2. Step 2: Convert to fraction form
    5,922.93/8,886.42 = 2,638.38/x
  3. Step 3: Cross multiply
    5,922.93x = 8,886.42 × 2,638.38
  4. Step 4: Simplify right side
    5,922.93x = 23,445,752.80
  5. Step 5: Solve for x
    x = 23,445,752.80/5,922.93
  6. Step 6: Final answer
    x = 3,958.47

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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.