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Finding the Fourth Proportional to 7,579.64, 11,382.23 and 4,951.64

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Solution

The fourth proportional to 7,579.64, 11,382.23 and 4,951.64 is: 7,435.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.64 : 11,382.23 = 4,951.64 : x
  2. Step 2: Convert to fraction form
    7,579.64/11,382.23 = 4,951.64/x
  3. Step 3: Cross multiply
    7,579.64x = 11,382.23 × 4,951.64
  4. Step 4: Simplify right side
    7,579.64x = 56,360,660.83
  5. Step 5: Solve for x
    x = 56,360,660.83/7,579.64
  6. Step 6: Final answer
    x = 7,435.80

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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.