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Finding the Fourth Proportional to 43,433, 65,039.23 and 36,394.50

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Solution

The fourth proportional to 43,433, 65,039.23 and 36,394.50 is: 54,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,433 : 65,039.23 = 36,394.50 : x
  2. Step 2: Convert to fraction form
    43,433/65,039.23 = 36,394.50/x
  3. Step 3: Cross multiply
    43,433x = 65,039.23 × 36,394.50
  4. Step 4: Simplify right side
    43,433x = 2,367,070,256.24
  5. Step 5: Solve for x
    x = 2,367,070,256.24/43,433
  6. Step 6: Final answer
    x = 54,499.35

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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.