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Finding the Fourth Proportional to 6,079.72, 8,393.34 and 4,660.72

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Solution

The fourth proportional to 6,079.72, 8,393.34 and 4,660.72 is: 6,434.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,079.72 : 8,393.34 = 4,660.72 : x
  2. Step 2: Convert to fraction form
    6,079.72/8,393.34 = 4,660.72/x
  3. Step 3: Cross multiply
    6,079.72x = 8,393.34 × 4,660.72
  4. Step 4: Simplify right side
    6,079.72x = 39,119,007.60
  5. Step 5: Solve for x
    x = 39,119,007.60/6,079.72
  6. Step 6: Final answer
    x = 6,434.34

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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.