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Finding the Fourth Proportional to 7,268.58, 10,893.54 and 5,289.21

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Solution

The fourth proportional to 7,268.58, 10,893.54 and 5,289.21 is: 7,927.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268.58 : 10,893.54 = 5,289.21 : x
  2. Step 2: Convert to fraction form
    7,268.58/10,893.54 = 5,289.21/x
  3. Step 3: Cross multiply
    7,268.58x = 10,893.54 × 5,289.21
  4. Step 4: Simplify right side
    7,268.58x = 57,618,220.70
  5. Step 5: Solve for x
    x = 57,618,220.70/7,268.58
  6. Step 6: Final answer
    x = 7,927.03

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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.