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Finding the Fourth Proportional to 5,785.97, 8,703.59 and 5,244.68

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Solution

The fourth proportional to 5,785.97, 8,703.59 and 5,244.68 is: 7,889.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.97 : 8,703.59 = 5,244.68 : x
  2. Step 2: Convert to fraction form
    5,785.97/8,703.59 = 5,244.68/x
  3. Step 3: Cross multiply
    5,785.97x = 8,703.59 × 5,244.68
  4. Step 4: Simplify right side
    5,785.97x = 45,647,539.94
  5. Step 5: Solve for x
    x = 45,647,539.94/5,785.97
  6. Step 6: Final answer
    x = 7,889.36

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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.