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Finding the Fourth Proportional to 5,676.86, 8,503.68 and 2,752.76

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Solution

The fourth proportional to 5,676.86, 8,503.68 and 2,752.76 is: 4,123.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.86 : 8,503.68 = 2,752.76 : x
  2. Step 2: Convert to fraction form
    5,676.86/8,503.68 = 2,752.76/x
  3. Step 3: Cross multiply
    5,676.86x = 8,503.68 × 2,752.76
  4. Step 4: Simplify right side
    5,676.86x = 23,408,590.16
  5. Step 5: Solve for x
    x = 23,408,590.16/5,676.86
  6. Step 6: Final answer
    x = 4,123.51

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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.