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Finding the Fourth Proportional to 2,986.53, 4,479.71 and 795.27

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Solution

The fourth proportional to 2,986.53, 4,479.71 and 795.27 is: 1,192.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.53 : 4,479.71 = 795.27 : x
  2. Step 2: Convert to fraction form
    2,986.53/4,479.71 = 795.27/x
  3. Step 3: Cross multiply
    2,986.53x = 4,479.71 × 795.27
  4. Step 4: Simplify right side
    2,986.53x = 3,562,575.00
  5. Step 5: Solve for x
    x = 3,562,575.00/2,986.53
  6. Step 6: Final answer
    x = 1,192.88

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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.