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Finding the Fourth Proportional to 6,472.62, 8,935.23 and 4,879.91

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Solution

The fourth proportional to 6,472.62, 8,935.23 and 4,879.91 is: 6,736.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472.62 : 8,935.23 = 4,879.91 : x
  2. Step 2: Convert to fraction form
    6,472.62/8,935.23 = 4,879.91/x
  3. Step 3: Cross multiply
    6,472.62x = 8,935.23 × 4,879.91
  4. Step 4: Simplify right side
    6,472.62x = 43,603,127.34
  5. Step 5: Solve for x
    x = 43,603,127.34/6,472.62
  6. Step 6: Final answer
    x = 6,736.55

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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.