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Finding the Fourth Proportional to 5,631.68, 8,459.70 and 3,441.74

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Solution

The fourth proportional to 5,631.68, 8,459.70 and 3,441.74 is: 5,170.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.68 : 8,459.70 = 3,441.74 : x
  2. Step 2: Convert to fraction form
    5,631.68/8,459.70 = 3,441.74/x
  3. Step 3: Cross multiply
    5,631.68x = 8,459.70 × 3,441.74
  4. Step 4: Simplify right side
    5,631.68x = 29,116,087.88
  5. Step 5: Solve for x
    x = 29,116,087.88/5,631.68
  6. Step 6: Final answer
    x = 5,170.05

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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.