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Finding the Fourth Proportional to 4,652.88, 6,979.31 and 1,190.12

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Solution

The fourth proportional to 4,652.88, 6,979.31 and 1,190.12 is: 1,785.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,652.88 : 6,979.31 = 1,190.12 : x
  2. Step 2: Convert to fraction form
    4,652.88/6,979.31 = 1,190.12/x
  3. Step 3: Cross multiply
    4,652.88x = 6,979.31 × 1,190.12
  4. Step 4: Simplify right side
    4,652.88x = 8,306,216.42
  5. Step 5: Solve for x
    x = 8,306,216.42/4,652.88
  6. Step 6: Final answer
    x = 1,785.18

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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.