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Finding the Fourth Proportional to 5,938.72, 8,907.92 and 2,428.56

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Solution

The fourth proportional to 5,938.72, 8,907.92 and 2,428.56 is: 3,642.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.72 : 8,907.92 = 2,428.56 : x
  2. Step 2: Convert to fraction form
    5,938.72/8,907.92 = 2,428.56/x
  3. Step 3: Cross multiply
    5,938.72x = 8,907.92 × 2,428.56
  4. Step 4: Simplify right side
    5,938.72x = 21,633,418.20
  5. Step 5: Solve for x
    x = 21,633,418.20/5,938.72
  6. Step 6: Final answer
    x = 3,642.77

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1.5x scale

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.