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Finding the Fourth Proportional to 74,416.57, 111,625.77 and 21,827.14

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Solution

The fourth proportional to 74,416.57, 111,625.77 and 21,827.14 is: 32,740.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,416.57 : 111,625.77 = 21,827.14 : x
  2. Step 2: Convert to fraction form
    74,416.57/111,625.77 = 21,827.14/x
  3. Step 3: Cross multiply
    74,416.57x = 111,625.77 × 21,827.14
  4. Step 4: Simplify right side
    74,416.57x = 2,436,470,751.27
  5. Step 5: Solve for x
    x = 2,436,470,751.27/74,416.57
  6. Step 6: Final answer
    x = 32,740.97

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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.