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Finding the Fourth Proportional to 2,729.54, 4,094.53 and 974.93

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Solution

The fourth proportional to 2,729.54, 4,094.53 and 974.93 is: 1,462.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.54 : 4,094.53 = 974.93 : x
  2. Step 2: Convert to fraction form
    2,729.54/4,094.53 = 974.93/x
  3. Step 3: Cross multiply
    2,729.54x = 4,094.53 × 974.93
  4. Step 4: Simplify right side
    2,729.54x = 3,991,857.22
  5. Step 5: Solve for x
    x = 3,991,857.22/2,729.54
  6. Step 6: Final answer
    x = 1,462.46

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1.5x scale

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.