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Finding the Fourth Proportional to 4,586.76, 6,879.87 and 1,508.76

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Solution

The fourth proportional to 4,586.76, 6,879.87 and 1,508.76 is: 2,263.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,586.76 : 6,879.87 = 1,508.76 : x
  2. Step 2: Convert to fraction form
    4,586.76/6,879.87 = 1,508.76/x
  3. Step 3: Cross multiply
    4,586.76x = 6,879.87 × 1,508.76
  4. Step 4: Simplify right side
    4,586.76x = 10,380,072.66
  5. Step 5: Solve for x
    x = 10,380,072.66/4,586.76
  6. Step 6: Final answer
    x = 2,263.05

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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.