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Finding the Fourth Proportional to 6,156.64, 8,497.92 and 3,505.48

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Solution

The fourth proportional to 6,156.64, 8,497.92 and 3,505.48 is: 4,838.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,156.64 : 8,497.92 = 3,505.48 : x
  2. Step 2: Convert to fraction form
    6,156.64/8,497.92 = 3,505.48/x
  3. Step 3: Cross multiply
    6,156.64x = 8,497.92 × 3,505.48
  4. Step 4: Simplify right side
    6,156.64x = 29,789,288.60
  5. Step 5: Solve for x
    x = 29,789,288.60/6,156.64
  6. Step 6: Final answer
    x = 4,838.56

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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.