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Finding the Fourth Proportional to 52,751.63, 79,146.88 and 27,790.67

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Solution

The fourth proportional to 52,751.63, 79,146.88 and 27,790.67 is: 41,696.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,751.63 : 79,146.88 = 27,790.67 : x
  2. Step 2: Convert to fraction form
    52,751.63/79,146.88 = 27,790.67/x
  3. Step 3: Cross multiply
    52,751.63x = 79,146.88 × 27,790.67
  4. Step 4: Simplify right side
    52,751.63x = 2,199,544,358.40
  5. Step 5: Solve for x
    x = 2,199,544,358.40/52,751.63
  6. Step 6: Final answer
    x = 41,696.24

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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.