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Finding the Fourth Proportional to 3,192.36, 4,788.60 and 883.92

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Solution

The fourth proportional to 3,192.36, 4,788.60 and 883.92 is: 1,325.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.36 : 4,788.60 = 883.92 : x
  2. Step 2: Convert to fraction form
    3,192.36/4,788.60 = 883.92/x
  3. Step 3: Cross multiply
    3,192.36x = 4,788.60 × 883.92
  4. Step 4: Simplify right side
    3,192.36x = 4,232,739.31
  5. Step 5: Solve for x
    x = 4,232,739.31/3,192.36
  6. Step 6: Final answer
    x = 1,325.90

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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.