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Finding the Fourth Proportional to 1,900.44, 2,848.91 and 926.01

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Solution

The fourth proportional to 1,900.44, 2,848.91 and 926.01 is: 1,388.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900.44 : 2,848.91 = 926.01 : x
  2. Step 2: Convert to fraction form
    1,900.44/2,848.91 = 926.01/x
  3. Step 3: Cross multiply
    1,900.44x = 2,848.91 × 926.01
  4. Step 4: Simplify right side
    1,900.44x = 2,638,114.52
  5. Step 5: Solve for x
    x = 2,638,114.52/1,900.44
  6. Step 6: Final answer
    x = 1,388.16

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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.