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Finding the Fourth Proportional to 61,841.88, 85,289.05 and 47,536.37

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Solution

The fourth proportional to 61,841.88, 85,289.05 and 47,536.37 is: 65,559.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,841.88 : 85,289.05 = 47,536.37 : x
  2. Step 2: Convert to fraction form
    61,841.88/85,289.05 = 47,536.37/x
  3. Step 3: Cross multiply
    61,841.88x = 85,289.05 × 47,536.37
  4. Step 4: Simplify right side
    61,841.88x = 4,054,331,790.56
  5. Step 5: Solve for x
    x = 4,054,331,790.56/61,841.88
  6. Step 6: Final answer
    x = 65,559.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.