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Finding the Fourth Proportional to 43,594.96, 65,423.49 and 19,905.70

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Solution

The fourth proportional to 43,594.96, 65,423.49 and 19,905.70 is: 29,872.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,594.96 : 65,423.49 = 19,905.70 : x
  2. Step 2: Convert to fraction form
    43,594.96/65,423.49 = 19,905.70/x
  3. Step 3: Cross multiply
    43,594.96x = 65,423.49 × 19,905.70
  4. Step 4: Simplify right side
    43,594.96x = 1,302,300,364.89
  5. Step 5: Solve for x
    x = 1,302,300,364.89/43,594.96
  6. Step 6: Final answer
    x = 29,872.73

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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.