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Finding the Fourth Proportional to 2,986.27, 4,479.66 and 795.00

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Solution

The fourth proportional to 2,986.27, 4,479.66 and 795.00 is: 1,192.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.27 : 4,479.66 = 795.00 : x
  2. Step 2: Convert to fraction form
    2,986.27/4,479.66 = 795.00/x
  3. Step 3: Cross multiply
    2,986.27x = 4,479.66 × 795.00
  4. Step 4: Simplify right side
    2,986.27x = 3,561,307.30
  5. Step 5: Solve for x
    x = 3,561,307.30/2,986.27
  6. Step 6: Final answer
    x = 1,192.56

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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.