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Finding the Fourth Proportional to 43,690, 60,292.20 and 23,818

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Solution

The fourth proportional to 43,690, 60,292.20 and 23,818 is: 32,868.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,690 : 60,292.20 = 23,818 : x
  2. Step 2: Convert to fraction form
    43,690/60,292.20 = 23,818/x
  3. Step 3: Cross multiply
    43,690x = 60,292.20 × 23,818
  4. Step 4: Simplify right side
    43,690x = 1,436,039,619.60
  5. Step 5: Solve for x
    x = 1,436,039,619.60/43,690
  6. Step 6: Final answer
    x = 32,868.84

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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.