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Finding the Fourth Proportional to 8,676.54, 12,995.91 and 4,503.96

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Solution

The fourth proportional to 8,676.54, 12,995.91 and 4,503.96 is: 6,746.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676.54 : 12,995.91 = 4,503.96 : x
  2. Step 2: Convert to fraction form
    8,676.54/12,995.91 = 4,503.96/x
  3. Step 3: Cross multiply
    8,676.54x = 12,995.91 × 4,503.96
  4. Step 4: Simplify right side
    8,676.54x = 58,533,058.80
  5. Step 5: Solve for x
    x = 58,533,058.80/8,676.54
  6. Step 6: Final answer
    x = 6,746.13

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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.