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Finding the Fourth Proportional to 5,722.70, 8,584.05 and 4,858.70

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Solution

The fourth proportional to 5,722.70, 8,584.05 and 4,858.70 is: 7,288.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,722.70 : 8,584.05 = 4,858.70 : x
  2. Step 2: Convert to fraction form
    5,722.70/8,584.05 = 4,858.70/x
  3. Step 3: Cross multiply
    5,722.70x = 8,584.05 × 4,858.70
  4. Step 4: Simplify right side
    5,722.70x = 41,707,323.74
  5. Step 5: Solve for x
    x = 41,707,323.74/5,722.70
  6. Step 6: Final answer
    x = 7,288.05

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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.