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Finding the Fourth Proportional to 3,447.66, 4,755.99 and 2,328.64

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Solution

The fourth proportional to 3,447.66, 4,755.99 and 2,328.64 is: 3,212.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.66 : 4,755.99 = 2,328.64 : x
  2. Step 2: Convert to fraction form
    3,447.66/4,755.99 = 2,328.64/x
  3. Step 3: Cross multiply
    3,447.66x = 4,755.99 × 2,328.64
  4. Step 4: Simplify right side
    3,447.66x = 11,074,988.55
  5. Step 5: Solve for x
    x = 11,074,988.55/3,447.66
  6. Step 6: Final answer
    x = 3,212.32

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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.