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Finding the Fourth Proportional to 5,917.99, 8,866.53 and 5,274.44

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Solution

The fourth proportional to 5,917.99, 8,866.53 and 5,274.44 is: 7,902.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.99 : 8,866.53 = 5,274.44 : x
  2. Step 2: Convert to fraction form
    5,917.99/8,866.53 = 5,274.44/x
  3. Step 3: Cross multiply
    5,917.99x = 8,866.53 × 5,274.44
  4. Step 4: Simplify right side
    5,917.99x = 46,765,980.49
  5. Step 5: Solve for x
    x = 46,765,980.49/5,917.99
  6. Step 6: Final answer
    x = 7,902.34

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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.