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Finding the Fourth Proportional to 5,886.18, 8,821.62 and 4,494.42

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Solution

The fourth proportional to 5,886.18, 8,821.62 and 4,494.42 is: 6,735.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,886.18 : 8,821.62 = 4,494.42 : x
  2. Step 2: Convert to fraction form
    5,886.18/8,821.62 = 4,494.42/x
  3. Step 3: Cross multiply
    5,886.18x = 8,821.62 × 4,494.42
  4. Step 4: Simplify right side
    5,886.18x = 39,648,065.36
  5. Step 5: Solve for x
    x = 39,648,065.36/5,886.18
  6. Step 6: Final answer
    x = 6,735.79

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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.