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Finding the Fourth Proportional to 2,037.18, 3,051.66 and 940.02

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Solution

The fourth proportional to 2,037.18, 3,051.66 and 940.02 is: 1,408.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.18 : 3,051.66 = 940.02 : x
  2. Step 2: Convert to fraction form
    2,037.18/3,051.66 = 940.02/x
  3. Step 3: Cross multiply
    2,037.18x = 3,051.66 × 940.02
  4. Step 4: Simplify right side
    2,037.18x = 2,868,621.43
  5. Step 5: Solve for x
    x = 2,868,621.43/2,037.18
  6. Step 6: Final answer
    x = 1,408.13

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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.