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Finding the Fourth Proportional to 4,879.45, 6,727.93 and 4,616.71

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Solution

The fourth proportional to 4,879.45, 6,727.93 and 4,616.71 is: 6,365.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.45 : 6,727.93 = 4,616.71 : x
  2. Step 2: Convert to fraction form
    4,879.45/6,727.93 = 4,616.71/x
  3. Step 3: Cross multiply
    4,879.45x = 6,727.93 × 4,616.71
  4. Step 4: Simplify right side
    4,879.45x = 31,060,901.71
  5. Step 5: Solve for x
    x = 31,060,901.71/4,879.45
  6. Step 6: Final answer
    x = 6,365.66

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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.