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Finding the Fourth Proportional to 72,893.88, 100,591.65 and 41,060.88

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Solution

The fourth proportional to 72,893.88, 100,591.65 and 41,060.88 is: 56,662.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,893.88 : 100,591.65 = 41,060.88 : x
  2. Step 2: Convert to fraction form
    72,893.88/100,591.65 = 41,060.88/x
  3. Step 3: Cross multiply
    72,893.88x = 100,591.65 × 41,060.88
  4. Step 4: Simplify right side
    72,893.88x = 4,130,381,669.65
  5. Step 5: Solve for x
    x = 4,130,381,669.65/72,893.88
  6. Step 6: Final answer
    x = 56,662.94

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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.