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Finding the Fourth Proportional to 71,604.83, 98,801.64 and 41,379.08

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Solution

The fourth proportional to 71,604.83, 98,801.64 and 41,379.08 is: 57,095.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,604.83 : 98,801.64 = 41,379.08 : x
  2. Step 2: Convert to fraction form
    71,604.83/98,801.64 = 41,379.08/x
  3. Step 3: Cross multiply
    71,604.83x = 98,801.64 × 41,379.08
  4. Step 4: Simplify right side
    71,604.83x = 4,088,320,471.68
  5. Step 5: Solve for x
    x = 4,088,320,471.68/71,604.83
  6. Step 6: Final answer
    x = 57,095.59

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1.5x scale

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.