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Finding the Fourth Proportional to 3,466.06, 5,199.07 and 868.99

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Solution

The fourth proportional to 3,466.06, 5,199.07 and 868.99 is: 1,303.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,466.06 : 5,199.07 = 868.99 : x
  2. Step 2: Convert to fraction form
    3,466.06/5,199.07 = 868.99/x
  3. Step 3: Cross multiply
    3,466.06x = 5,199.07 × 868.99
  4. Step 4: Simplify right side
    3,466.06x = 4,517,939.84
  5. Step 5: Solve for x
    x = 4,517,939.84/3,466.06
  6. Step 6: Final answer
    x = 1,303.48

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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.