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Finding the Fourth Proportional to 5,486.50, 7,568.11 and 3,362.99

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Solution

The fourth proportional to 5,486.50, 7,568.11 and 3,362.99 is: 4,638.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.50 : 7,568.11 = 3,362.99 : x
  2. Step 2: Convert to fraction form
    5,486.50/7,568.11 = 3,362.99/x
  3. Step 3: Cross multiply
    5,486.50x = 7,568.11 × 3,362.99
  4. Step 4: Simplify right side
    5,486.50x = 25,451,444.61
  5. Step 5: Solve for x
    x = 25,451,444.61/5,486.50
  6. Step 6: Final answer
    x = 4,638.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.