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Finding the Fourth Proportional to 3,447.83, 4,748.10 and 3,236.73

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Solution

The fourth proportional to 3,447.83, 4,748.10 and 3,236.73 is: 4,457.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.83 : 4,748.10 = 3,236.73 : x
  2. Step 2: Convert to fraction form
    3,447.83/4,748.10 = 3,236.73/x
  3. Step 3: Cross multiply
    3,447.83x = 4,748.10 × 3,236.73
  4. Step 4: Simplify right side
    3,447.83x = 15,368,317.71
  5. Step 5: Solve for x
    x = 15,368,317.71/3,447.83
  6. Step 6: Final answer
    x = 4,457.39

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Double scale
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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.