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Finding the Fourth Proportional to 2,886.44, 4,330.26 and 940.01

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Solution

The fourth proportional to 2,886.44, 4,330.26 and 940.01 is: 1,410.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.44 : 4,330.26 = 940.01 : x
  2. Step 2: Convert to fraction form
    2,886.44/4,330.26 = 940.01/x
  3. Step 3: Cross multiply
    2,886.44x = 4,330.26 × 940.01
  4. Step 4: Simplify right side
    2,886.44x = 4,070,466.05
  5. Step 5: Solve for x
    x = 4,070,466.05/2,886.44
  6. Step 6: Final answer
    x = 1,410.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.