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Finding the Fourth Proportional to 3,260.30, 4,890.46 and 795.12

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Solution

The fourth proportional to 3,260.30, 4,890.46 and 795.12 is: 1,192.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.30 : 4,890.46 = 795.12 : x
  2. Step 2: Convert to fraction form
    3,260.30/4,890.46 = 795.12/x
  3. Step 3: Cross multiply
    3,260.30x = 4,890.46 × 795.12
  4. Step 4: Simplify right side
    3,260.30x = 3,888,502.56
  5. Step 5: Solve for x
    x = 3,888,502.56/3,260.30
  6. Step 6: Final answer
    x = 1,192.68

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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.