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Finding the Fourth Proportional to 4,787.82, 6,606.76 and 2,663.26

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Solution

The fourth proportional to 4,787.82, 6,606.76 and 2,663.26 is: 3,675.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.82 : 6,606.76 = 2,663.26 : x
  2. Step 2: Convert to fraction form
    4,787.82/6,606.76 = 2,663.26/x
  3. Step 3: Cross multiply
    4,787.82x = 6,606.76 × 2,663.26
  4. Step 4: Simplify right side
    4,787.82x = 17,595,519.64
  5. Step 5: Solve for x
    x = 17,595,519.64/4,787.82
  6. Step 6: Final answer
    x = 3,675.06

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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.