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Finding the Fourth Proportional to 45,295.35, 67,969.76 and 17,239.03

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Solution

The fourth proportional to 45,295.35, 67,969.76 and 17,239.03 is: 25,868.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,295.35 : 67,969.76 = 17,239.03 : x
  2. Step 2: Convert to fraction form
    45,295.35/67,969.76 = 17,239.03/x
  3. Step 3: Cross multiply
    45,295.35x = 67,969.76 × 17,239.03
  4. Step 4: Simplify right side
    45,295.35x = 1,171,732,524.10
  5. Step 5: Solve for x
    x = 1,171,732,524.10/45,295.35
  6. Step 6: Final answer
    x = 25,868.71

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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.