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Finding the Fourth Proportional to 8,676.90, 13,010.52 and 5,907.30

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Solution

The fourth proportional to 8,676.90, 13,010.52 and 5,907.30 is: 8,857.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676.90 : 13,010.52 = 5,907.30 : x
  2. Step 2: Convert to fraction form
    8,676.90/13,010.52 = 5,907.30/x
  3. Step 3: Cross multiply
    8,676.90x = 13,010.52 × 5,907.30
  4. Step 4: Simplify right side
    8,676.90x = 76,857,044.80
  5. Step 5: Solve for x
    x = 76,857,044.80/8,676.90
  6. Step 6: Final answer
    x = 8,857.66

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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.