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Finding the Fourth Proportional to 56,937.68, 85,391.80 and 16,947.28

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Solution

The fourth proportional to 56,937.68, 85,391.80 and 16,947.28 is: 25,416.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,937.68 : 85,391.80 = 16,947.28 : x
  2. Step 2: Convert to fraction form
    56,937.68/85,391.80 = 16,947.28/x
  3. Step 3: Cross multiply
    56,937.68x = 85,391.80 × 16,947.28
  4. Step 4: Simplify right side
    56,937.68x = 1,447,158,744.30
  5. Step 5: Solve for x
    x = 1,447,158,744.30/56,937.68
  6. Step 6: Final answer
    x = 25,416.54

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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.