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Finding the Fourth Proportional to 5,910.22, 8,819.21 and 5,386.26

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Solution

The fourth proportional to 5,910.22, 8,819.21 and 5,386.26 is: 8,037.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.22 : 8,819.21 = 5,386.26 : x
  2. Step 2: Convert to fraction form
    5,910.22/8,819.21 = 5,386.26/x
  3. Step 3: Cross multiply
    5,910.22x = 8,819.21 × 5,386.26
  4. Step 4: Simplify right side
    5,910.22x = 47,502,558.05
  5. Step 5: Solve for x
    x = 47,502,558.05/5,910.22
  6. Step 6: Final answer
    x = 8,037.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.