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Finding the Fourth Proportional to 41,379.80, 61,601.64 and 41,133.76

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Solution

The fourth proportional to 41,379.80, 61,601.64 and 41,133.76 is: 61,235.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,379.80 : 61,601.64 = 41,133.76 : x
  2. Step 2: Convert to fraction form
    41,379.80/61,601.64 = 41,133.76/x
  3. Step 3: Cross multiply
    41,379.80x = 61,601.64 × 41,133.76
  4. Step 4: Simplify right side
    41,379.80x = 2,533,907,075.37
  5. Step 5: Solve for x
    x = 2,533,907,075.37/41,379.80
  6. Step 6: Final answer
    x = 61,235.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.