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Finding the Fourth Proportional to 74,944.60, 112,472.34 and 35,501.80

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Solution

The fourth proportional to 74,944.60, 112,472.34 and 35,501.80 is: 53,278.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,944.60 : 112,472.34 = 35,501.80 : x
  2. Step 2: Convert to fraction form
    74,944.60/112,472.34 = 35,501.80/x
  3. Step 3: Cross multiply
    74,944.60x = 112,472.34 × 35,501.80
  4. Step 4: Simplify right side
    74,944.60x = 3,992,970,520.21
  5. Step 5: Solve for x
    x = 3,992,970,520.21/74,944.60
  6. Step 6: Final answer
    x = 53,278.96

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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.