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Finding the Fourth Proportional to 53,608.60, 80,412.90 and 41,191.30

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Solution

The fourth proportional to 53,608.60, 80,412.90 and 41,191.30 is: 61,786.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,608.60 : 80,412.90 = 41,191.30 : x
  2. Step 2: Convert to fraction form
    53,608.60/80,412.90 = 41,191.30/x
  3. Step 3: Cross multiply
    53,608.60x = 80,412.90 × 41,191.30
  4. Step 4: Simplify right side
    53,608.60x = 3,312,311,887.77
  5. Step 5: Solve for x
    x = 3,312,311,887.77/53,608.60
  6. Step 6: Final answer
    x = 61,786.95

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1.5x scale

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.