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Finding the Fourth Proportional to 1,770.10, 2,651.81 and 1,037.50

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Solution

The fourth proportional to 1,770.10, 2,651.81 and 1,037.50 is: 1,554.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.10 : 2,651.81 = 1,037.50 : x
  2. Step 2: Convert to fraction form
    1,770.10/2,651.81 = 1,037.50/x
  3. Step 3: Cross multiply
    1,770.10x = 2,651.81 × 1,037.50
  4. Step 4: Simplify right side
    1,770.10x = 2,751,242.21
  5. Step 5: Solve for x
    x = 2,751,242.21/1,770.10
  6. Step 6: Final answer
    x = 1,554.29

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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.