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Finding the Fourth Proportional to 5,631.97, 7,767.99 and 4,884.63

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Solution

The fourth proportional to 5,631.97, 7,767.99 and 4,884.63 is: 6,737.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.97 : 7,767.99 = 4,884.63 : x
  2. Step 2: Convert to fraction form
    5,631.97/7,767.99 = 4,884.63/x
  3. Step 3: Cross multiply
    5,631.97x = 7,767.99 × 4,884.63
  4. Step 4: Simplify right side
    5,631.97x = 37,943,756.99
  5. Step 5: Solve for x
    x = 37,943,756.99/5,631.97
  6. Step 6: Final answer
    x = 6,737.21

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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.