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Finding the Fourth Proportional to 1,044.47, 1,438.08 and 794.99

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Solution

The fourth proportional to 1,044.47, 1,438.08 and 794.99 is: 1,094.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.47 : 1,438.08 = 794.99 : x
  2. Step 2: Convert to fraction form
    1,044.47/1,438.08 = 794.99/x
  3. Step 3: Cross multiply
    1,044.47x = 1,438.08 × 794.99
  4. Step 4: Simplify right side
    1,044.47x = 1,143,259.22
  5. Step 5: Solve for x
    x = 1,143,259.22/1,044.47
  6. Step 6: Final answer
    x = 1,094.58

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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.