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Finding the Fourth Proportional to 43,337.50, 65,006.26 and 10,505.50

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Solution

The fourth proportional to 43,337.50, 65,006.26 and 10,505.50 is: 15,758.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,337.50 : 65,006.26 = 10,505.50 : x
  2. Step 2: Convert to fraction form
    43,337.50/65,006.26 = 10,505.50/x
  3. Step 3: Cross multiply
    43,337.50x = 65,006.26 × 10,505.50
  4. Step 4: Simplify right side
    43,337.50x = 682,923,264.43
  5. Step 5: Solve for x
    x = 682,923,264.43/43,337.50
  6. Step 6: Final answer
    x = 15,758.25

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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.