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Finding the Fourth Proportional to 1,457.35, 2,011.12 and 794.19

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Solution

The fourth proportional to 1,457.35, 2,011.12 and 794.19 is: 1,095.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457.35 : 2,011.12 = 794.19 : x
  2. Step 2: Convert to fraction form
    1,457.35/2,011.12 = 794.19/x
  3. Step 3: Cross multiply
    1,457.35x = 2,011.12 × 794.19
  4. Step 4: Simplify right side
    1,457.35x = 1,597,211.39
  5. Step 5: Solve for x
    x = 1,597,211.39/1,457.35
  6. Step 6: Final answer
    x = 1,095.97

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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.