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Finding the Fourth Proportional to 1,770.94, 2,654.07 and 1,358.50

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Solution

The fourth proportional to 1,770.94, 2,654.07 and 1,358.50 is: 2,035.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.94 : 2,654.07 = 1,358.50 : x
  2. Step 2: Convert to fraction form
    1,770.94/2,654.07 = 1,358.50/x
  3. Step 3: Cross multiply
    1,770.94x = 2,654.07 × 1,358.50
  4. Step 4: Simplify right side
    1,770.94x = 3,605,554.10
  5. Step 5: Solve for x
    x = 3,605,554.10/1,770.94
  6. Step 6: Final answer
    x = 2,035.95

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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.