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Finding the Fourth Proportional to 8,312.44, 11,471.22 and 4,586.44

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Solution

The fourth proportional to 8,312.44, 11,471.22 and 4,586.44 is: 6,329.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.44 : 11,471.22 = 4,586.44 : x
  2. Step 2: Convert to fraction form
    8,312.44/11,471.22 = 4,586.44/x
  3. Step 3: Cross multiply
    8,312.44x = 11,471.22 × 4,586.44
  4. Step 4: Simplify right side
    8,312.44x = 52,612,062.26
  5. Step 5: Solve for x
    x = 52,612,062.26/8,312.44
  6. Step 6: Final answer
    x = 6,329.32

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.