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Finding the Fourth Proportional to 7,650.88, 11,476.16 and 2,104.20

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Solution

The fourth proportional to 7,650.88, 11,476.16 and 2,104.20 is: 3,156.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.88 : 11,476.16 = 2,104.20 : x
  2. Step 2: Convert to fraction form
    7,650.88/11,476.16 = 2,104.20/x
  3. Step 3: Cross multiply
    7,650.88x = 11,476.16 × 2,104.20
  4. Step 4: Simplify right side
    7,650.88x = 24,148,135.87
  5. Step 5: Solve for x
    x = 24,148,135.87/7,650.88
  6. Step 6: Final answer
    x = 3,156.26

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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.