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Finding the Fourth Proportional to 5,910.70, 8,866.05 and 4,960.30

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Solution

The fourth proportional to 5,910.70, 8,866.05 and 4,960.30 is: 7,440.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.70 : 8,866.05 = 4,960.30 : x
  2. Step 2: Convert to fraction form
    5,910.70/8,866.05 = 4,960.30/x
  3. Step 3: Cross multiply
    5,910.70x = 8,866.05 × 4,960.30
  4. Step 4: Simplify right side
    5,910.70x = 43,978,267.82
  5. Step 5: Solve for x
    x = 43,978,267.82/5,910.70
  6. Step 6: Final answer
    x = 7,440.45

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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.