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Finding the Fourth Proportional to 8,872.82, 13,308.41 and 3,029.07

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Solution

The fourth proportional to 8,872.82, 13,308.41 and 3,029.07 is: 4,543.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.82 : 13,308.41 = 3,029.07 : x
  2. Step 2: Convert to fraction form
    8,872.82/13,308.41 = 3,029.07/x
  3. Step 3: Cross multiply
    8,872.82x = 13,308.41 × 3,029.07
  4. Step 4: Simplify right side
    8,872.82x = 40,312,113.05
  5. Step 5: Solve for x
    x = 40,312,113.05/8,872.82
  6. Step 6: Final answer
    x = 4,543.33

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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.