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Finding the Fourth Proportional to 9,647.92, 14,454.84 and 8,247.04

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Solution

The fourth proportional to 9,647.92, 14,454.84 and 8,247.04 is: 12,355.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,647.92 : 14,454.84 = 8,247.04 : x
  2. Step 2: Convert to fraction form
    9,647.92/14,454.84 = 8,247.04/x
  3. Step 3: Cross multiply
    9,647.92x = 14,454.84 × 8,247.04
  4. Step 4: Simplify right side
    9,647.92x = 119,209,643.67
  5. Step 5: Solve for x
    x = 119,209,643.67/9,647.92
  6. Step 6: Final answer
    x = 12,355.99

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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.