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Finding the Fourth Proportional to 5,930.70, 8,896.05 and 5,703.90

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Solution

The fourth proportional to 5,930.70, 8,896.05 and 5,703.90 is: 8,555.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,930.70 : 8,896.05 = 5,703.90 : x
  2. Step 2: Convert to fraction form
    5,930.70/8,896.05 = 5,703.90/x
  3. Step 3: Cross multiply
    5,930.70x = 8,896.05 × 5,703.90
  4. Step 4: Simplify right side
    5,930.70x = 50,742,179.60
  5. Step 5: Solve for x
    x = 50,742,179.60/5,930.70
  6. Step 6: Final answer
    x = 8,555.85

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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.