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Finding the Fourth Proportional to 1,457.68, 2,011.62 and 794.54

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Solution

The fourth proportional to 1,457.68, 2,011.62 and 794.54 is: 1,096.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457.68 : 2,011.62 = 794.54 : x
  2. Step 2: Convert to fraction form
    1,457.68/2,011.62 = 794.54/x
  3. Step 3: Cross multiply
    1,457.68x = 2,011.62 × 794.54
  4. Step 4: Simplify right side
    1,457.68x = 1,598,316.09
  5. Step 5: Solve for x
    x = 1,598,316.09/1,457.68
  6. Step 6: Final answer
    x = 1,096.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.