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Finding the Fourth Proportional to 1,461.16, 2,015.94 and 937.48

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Solution

The fourth proportional to 1,461.16, 2,015.94 and 937.48 is: 1,293.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.16 : 2,015.94 = 937.48 : x
  2. Step 2: Convert to fraction form
    1,461.16/2,015.94 = 937.48/x
  3. Step 3: Cross multiply
    1,461.16x = 2,015.94 × 937.48
  4. Step 4: Simplify right side
    1,461.16x = 1,889,903.43
  5. Step 5: Solve for x
    x = 1,889,903.43/1,461.16
  6. Step 6: Final answer
    x = 1,293.43

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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.