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Finding the Fourth Proportional to 7,674.66, 11,511.98 and 3,060.90

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Solution

The fourth proportional to 7,674.66, 11,511.98 and 3,060.90 is: 4,591.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.66 : 11,511.98 = 3,060.90 : x
  2. Step 2: Convert to fraction form
    7,674.66/11,511.98 = 3,060.90/x
  3. Step 3: Cross multiply
    7,674.66x = 11,511.98 × 3,060.90
  4. Step 4: Simplify right side
    7,674.66x = 35,237,027.23
  5. Step 5: Solve for x
    x = 35,237,027.23/7,674.66
  6. Step 6: Final answer
    x = 4,591.35

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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.