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Finding the Fourth Proportional to 7,656.94, 11,483.96 and 2,108.90

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Solution

The fourth proportional to 7,656.94, 11,483.96 and 2,108.90 is: 3,162.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,656.94 : 11,483.96 = 2,108.90 : x
  2. Step 2: Convert to fraction form
    7,656.94/11,483.96 = 2,108.90/x
  3. Step 3: Cross multiply
    7,656.94x = 11,483.96 × 2,108.90
  4. Step 4: Simplify right side
    7,656.94x = 24,218,523.24
  5. Step 5: Solve for x
    x = 24,218,523.24/7,656.94
  6. Step 6: Final answer
    x = 3,162.95

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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.