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Finding the Fourth Proportional to 56,370.63, 84,568.91 and 16,928.49

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Solution

The fourth proportional to 56,370.63, 84,568.91 and 16,928.49 is: 25,396.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,370.63 : 84,568.91 = 16,928.49 : x
  2. Step 2: Convert to fraction form
    56,370.63/84,568.91 = 16,928.49/x
  3. Step 3: Cross multiply
    56,370.63x = 84,568.91 × 16,928.49
  4. Step 4: Simplify right side
    56,370.63x = 1,431,623,862.60
  5. Step 5: Solve for x
    x = 1,431,623,862.60/56,370.63
  6. Step 6: Final answer
    x = 25,396.63

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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.