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Finding the Fourth Proportional to 7,800.03, 11,676.98 and 5,018.49

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Solution

The fourth proportional to 7,800.03, 11,676.98 and 5,018.49 is: 7,512.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800.03 : 11,676.98 = 5,018.49 : x
  2. Step 2: Convert to fraction form
    7,800.03/11,676.98 = 5,018.49/x
  3. Step 3: Cross multiply
    7,800.03x = 11,676.98 × 5,018.49
  4. Step 4: Simplify right side
    7,800.03x = 58,600,819.91
  5. Step 5: Solve for x
    x = 58,600,819.91/7,800.03
  6. Step 6: Final answer
    x = 7,512.90

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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.