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Finding the Fourth Proportional to 2,974.07, 4,460.64 and 1,330.32

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Solution

The fourth proportional to 2,974.07, 4,460.64 and 1,330.32 is: 1,995.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.07 : 4,460.64 = 1,330.32 : x
  2. Step 2: Convert to fraction form
    2,974.07/4,460.64 = 1,330.32/x
  3. Step 3: Cross multiply
    2,974.07x = 4,460.64 × 1,330.32
  4. Step 4: Simplify right side
    2,974.07x = 5,934,090.34
  5. Step 5: Solve for x
    x = 5,934,090.34/2,974.07
  6. Step 6: Final answer
    x = 1,995.27

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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.