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Finding the Fourth Proportional to 5,615.73, 7,739.37 and 4,500.36

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Solution

The fourth proportional to 5,615.73, 7,739.37 and 4,500.36 is: 6,202.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.73 : 7,739.37 = 4,500.36 : x
  2. Step 2: Convert to fraction form
    5,615.73/7,739.37 = 4,500.36/x
  3. Step 3: Cross multiply
    5,615.73x = 7,739.37 × 4,500.36
  4. Step 4: Simplify right side
    5,615.73x = 34,829,951.17
  5. Step 5: Solve for x
    x = 34,829,951.17/5,615.73
  6. Step 6: Final answer
    x = 6,202.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.