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Finding the Fourth Proportional to 4,878.44, 6,731.08 and 2,964.22

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Solution

The fourth proportional to 4,878.44, 6,731.08 and 2,964.22 is: 4,089.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.44 : 6,731.08 = 2,964.22 : x
  2. Step 2: Convert to fraction form
    4,878.44/6,731.08 = 2,964.22/x
  3. Step 3: Cross multiply
    4,878.44x = 6,731.08 × 2,964.22
  4. Step 4: Simplify right side
    4,878.44x = 19,952,401.96
  5. Step 5: Solve for x
    x = 19,952,401.96/4,878.44
  6. Step 6: Final answer
    x = 4,089.91

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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.