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Finding the Fourth Proportional to 1,953.69, 2,930.94 and 567.03

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Solution

The fourth proportional to 1,953.69, 2,930.94 and 567.03 is: 850.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.69 : 2,930.94 = 567.03 : x
  2. Step 2: Convert to fraction form
    1,953.69/2,930.94 = 567.03/x
  3. Step 3: Cross multiply
    1,953.69x = 2,930.94 × 567.03
  4. Step 4: Simplify right side
    1,953.69x = 1,661,930.91
  5. Step 5: Solve for x
    x = 1,661,930.91/1,953.69
  6. Step 6: Final answer
    x = 850.66

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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.