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Finding the Fourth Proportional to 1,384.42, 1,910.55 and 795.07

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Solution

The fourth proportional to 1,384.42, 1,910.55 and 795.07 is: 1,097.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384.42 : 1,910.55 = 795.07 : x
  2. Step 2: Convert to fraction form
    1,384.42/1,910.55 = 795.07/x
  3. Step 3: Cross multiply
    1,384.42x = 1,910.55 × 795.07
  4. Step 4: Simplify right side
    1,384.42x = 1,519,020.99
  5. Step 5: Solve for x
    x = 1,519,020.99/1,384.42
  6. Step 6: Final answer
    x = 1,097.23

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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.