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Finding the Fourth Proportional to 10,662.22, 15,994.14 and 2,871.10

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Solution

The fourth proportional to 10,662.22, 15,994.14 and 2,871.10 is: 4,306.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,662.22 : 15,994.14 = 2,871.10 : x
  2. Step 2: Convert to fraction form
    10,662.22/15,994.14 = 2,871.10/x
  3. Step 3: Cross multiply
    10,662.22x = 15,994.14 × 2,871.10
  4. Step 4: Simplify right side
    10,662.22x = 45,920,775.35
  5. Step 5: Solve for x
    x = 45,920,775.35/10,662.22
  6. Step 6: Final answer
    x = 4,306.87

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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.