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Finding the Fourth Proportional to 8,676.30, 13,005.14 and 3,748.26

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Solution

The fourth proportional to 8,676.30, 13,005.14 and 3,748.26 is: 5,618.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676.30 : 13,005.14 = 3,748.26 : x
  2. Step 2: Convert to fraction form
    8,676.30/13,005.14 = 3,748.26/x
  3. Step 3: Cross multiply
    8,676.30x = 13,005.14 × 3,748.26
  4. Step 4: Simplify right side
    8,676.30x = 48,746,627.32
  5. Step 5: Solve for x
    x = 48,746,627.32/8,676.30
  6. Step 6: Final answer
    x = 5,618.37

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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.