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Finding the Fourth Proportional to 6,504.47, 8,976.15 and 3,520.30

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Solution

The fourth proportional to 6,504.47, 8,976.15 and 3,520.30 is: 4,858.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,504.47 : 8,976.15 = 3,520.30 : x
  2. Step 2: Convert to fraction form
    6,504.47/8,976.15 = 3,520.30/x
  3. Step 3: Cross multiply
    6,504.47x = 8,976.15 × 3,520.30
  4. Step 4: Simplify right side
    6,504.47x = 31,598,760.48
  5. Step 5: Solve for x
    x = 31,598,760.48/6,504.47
  6. Step 6: Final answer
    x = 4,858.01

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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.