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Finding the Fourth Proportional to 6,090.48, 8,404.97 and 3,574.40

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Solution

The fourth proportional to 6,090.48, 8,404.97 and 3,574.40 is: 4,932.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,090.48 : 8,404.97 = 3,574.40 : x
  2. Step 2: Convert to fraction form
    6,090.48/8,404.97 = 3,574.40/x
  3. Step 3: Cross multiply
    6,090.48x = 8,404.97 × 3,574.40
  4. Step 4: Simplify right side
    6,090.48x = 30,042,664.87
  5. Step 5: Solve for x
    x = 30,042,664.87/6,090.48
  6. Step 6: Final answer
    x = 4,932.73

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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.