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Finding the Fourth Proportional to 1,303.44, 1,954.92 and 941.28

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Solution

The fourth proportional to 1,303.44, 1,954.92 and 941.28 is: 1,411.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303.44 : 1,954.92 = 941.28 : x
  2. Step 2: Convert to fraction form
    1,303.44/1,954.92 = 941.28/x
  3. Step 3: Cross multiply
    1,303.44x = 1,954.92 × 941.28
  4. Step 4: Simplify right side
    1,303.44x = 1,840,127.10
  5. Step 5: Solve for x
    x = 1,840,127.10/1,303.44
  6. Step 6: Final answer
    x = 1,411.75

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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.