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Finding the Fourth Proportional to 1,457.54, 2,011.46 and 794.42

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Solution

The fourth proportional to 1,457.54, 2,011.46 and 794.42 is: 1,096.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457.54 : 2,011.46 = 794.42 : x
  2. Step 2: Convert to fraction form
    1,457.54/2,011.46 = 794.42/x
  3. Step 3: Cross multiply
    1,457.54x = 2,011.46 × 794.42
  4. Step 4: Simplify right side
    1,457.54x = 1,597,930.02
  5. Step 5: Solve for x
    x = 1,597,930.02/1,457.54
  6. Step 6: Final answer
    x = 1,096.32

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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.