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Finding the Fourth Proportional to 2,365.96, 3,548.94 and 1,938.28

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Solution

The fourth proportional to 2,365.96, 3,548.94 and 1,938.28 is: 2,907.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,365.96 : 3,548.94 = 1,938.28 : x
  2. Step 2: Convert to fraction form
    2,365.96/3,548.94 = 1,938.28/x
  3. Step 3: Cross multiply
    2,365.96x = 3,548.94 × 1,938.28
  4. Step 4: Simplify right side
    2,365.96x = 6,878,839.42
  5. Step 5: Solve for x
    x = 6,878,839.42/2,365.96
  6. Step 6: Final answer
    x = 2,907.42

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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.