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Finding the Fourth Proportional to 1,800.68, 2,485.14 and 1,044.63

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Solution

The fourth proportional to 1,800.68, 2,485.14 and 1,044.63 is: 1,441.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800.68 : 2,485.14 = 1,044.63 : x
  2. Step 2: Convert to fraction form
    1,800.68/2,485.14 = 1,044.63/x
  3. Step 3: Cross multiply
    1,800.68x = 2,485.14 × 1,044.63
  4. Step 4: Simplify right side
    1,800.68x = 2,596,063.68
  5. Step 5: Solve for x
    x = 2,596,063.68/1,800.68
  6. Step 6: Final answer
    x = 1,441.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.