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Finding the Fourth Proportional to 4,798.73, 6,621.84 and 2,809.93

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Solution

The fourth proportional to 4,798.73, 6,621.84 and 2,809.93 is: 3,877.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,798.73 : 6,621.84 = 2,809.93 : x
  2. Step 2: Convert to fraction form
    4,798.73/6,621.84 = 2,809.93/x
  3. Step 3: Cross multiply
    4,798.73x = 6,621.84 × 2,809.93
  4. Step 4: Simplify right side
    4,798.73x = 18,606,906.87
  5. Step 5: Solve for x
    x = 18,606,906.87/4,798.73
  6. Step 6: Final answer
    x = 3,877.46

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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.