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Finding the Fourth Proportional to 2,668.78, 4,003.23 and 1,573.93

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Solution

The fourth proportional to 2,668.78, 4,003.23 and 1,573.93 is: 2,360.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668.78 : 4,003.23 = 1,573.93 : x
  2. Step 2: Convert to fraction form
    2,668.78/4,003.23 = 1,573.93/x
  3. Step 3: Cross multiply
    2,668.78x = 4,003.23 × 1,573.93
  4. Step 4: Simplify right side
    2,668.78x = 6,300,803.79
  5. Step 5: Solve for x
    x = 6,300,803.79/2,668.78
  6. Step 6: Final answer
    x = 2,360.93

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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.