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Finding the Fourth Proportional to 74,416.34, 111,625.39 and 21,826.88

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Solution

The fourth proportional to 74,416.34, 111,625.39 and 21,826.88 is: 32,740.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,416.34 : 111,625.39 = 21,826.88 : x
  2. Step 2: Convert to fraction form
    74,416.34/111,625.39 = 21,826.88/x
  3. Step 3: Cross multiply
    74,416.34x = 111,625.39 × 21,826.88
  4. Step 4: Simplify right side
    74,416.34x = 2,436,433,992.48
  5. Step 5: Solve for x
    x = 2,436,433,992.48/74,416.34
  6. Step 6: Final answer
    x = 32,740.58

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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.