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Finding the Fourth Proportional to 1,299.04, 1,945.16 and 1,037.84

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Solution

The fourth proportional to 1,299.04, 1,945.16 and 1,037.84 is: 1,554.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299.04 : 1,945.16 = 1,037.84 : x
  2. Step 2: Convert to fraction form
    1,299.04/1,945.16 = 1,037.84/x
  3. Step 3: Cross multiply
    1,299.04x = 1,945.16 × 1,037.84
  4. Step 4: Simplify right side
    1,299.04x = 2,018,764.85
  5. Step 5: Solve for x
    x = 2,018,764.85/1,299.04
  6. Step 6: Final answer
    x = 1,554.04

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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.