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Finding the Fourth Proportional to 40,047.08, 60,072.03 and 13,751.64

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Solution

The fourth proportional to 40,047.08, 60,072.03 and 13,751.64 is: 20,627.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,047.08 : 60,072.03 = 13,751.64 : x
  2. Step 2: Convert to fraction form
    40,047.08/60,072.03 = 13,751.64/x
  3. Step 3: Cross multiply
    40,047.08x = 60,072.03 × 13,751.64
  4. Step 4: Simplify right side
    40,047.08x = 826,088,930.63
  5. Step 5: Solve for x
    x = 826,088,930.63/40,047.08
  6. Step 6: Final answer
    x = 20,627.95

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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.