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Finding the Fourth Proportional to 3,451.95, 4,788.10 and 3,327.41

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Solution

The fourth proportional to 3,451.95, 4,788.10 and 3,327.41 is: 4,615.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.95 : 4,788.10 = 3,327.41 : x
  2. Step 2: Convert to fraction form
    3,451.95/4,788.10 = 3,327.41/x
  3. Step 3: Cross multiply
    3,451.95x = 4,788.10 × 3,327.41
  4. Step 4: Simplify right side
    3,451.95x = 15,931,969.23
  5. Step 5: Solve for x
    x = 15,931,969.23/3,451.95
  6. Step 6: Final answer
    x = 4,615.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.