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Finding the Fourth Proportional to 2,573.51, 3,860.24 and 625.71

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Solution

The fourth proportional to 2,573.51, 3,860.24 and 625.71 is: 938.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,573.51 : 3,860.24 = 625.71 : x
  2. Step 2: Convert to fraction form
    2,573.51/3,860.24 = 625.71/x
  3. Step 3: Cross multiply
    2,573.51x = 3,860.24 × 625.71
  4. Step 4: Simplify right side
    2,573.51x = 2,415,387.64
  5. Step 5: Solve for x
    x = 2,415,387.64/2,573.51
  6. Step 6: Final answer
    x = 938.56

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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.