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Finding the Fourth Proportional to 2,729.55, 4,094.37 and 974.58

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Solution

The fourth proportional to 2,729.55, 4,094.37 and 974.58 is: 1,461.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.55 : 4,094.37 = 974.58 : x
  2. Step 2: Convert to fraction form
    2,729.55/4,094.37 = 974.58/x
  3. Step 3: Cross multiply
    2,729.55x = 4,094.37 × 974.58
  4. Step 4: Simplify right side
    2,729.55x = 3,990,291.11
  5. Step 5: Solve for x
    x = 3,990,291.11/2,729.55
  6. Step 6: Final answer
    x = 1,461.89

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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.