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Finding the Fourth Proportional to 3,044.42, 4,565.93 and 853.37

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Solution

The fourth proportional to 3,044.42, 4,565.93 and 853.37 is: 1,279.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,044.42 : 4,565.93 = 853.37 : x
  2. Step 2: Convert to fraction form
    3,044.42/4,565.93 = 853.37/x
  3. Step 3: Cross multiply
    3,044.42x = 4,565.93 × 853.37
  4. Step 4: Simplify right side
    3,044.42x = 3,896,400.59
  5. Step 5: Solve for x
    x = 3,896,400.59/3,044.42
  6. Step 6: Final answer
    x = 1,279.85

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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.