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Finding the Fourth Proportional to 69,329.47, 103,994.43 and 16,738.96

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Solution

The fourth proportional to 69,329.47, 103,994.43 and 16,738.96 is: 25,108.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,329.47 : 103,994.43 = 16,738.96 : x
  2. Step 2: Convert to fraction form
    69,329.47/103,994.43 = 16,738.96/x
  3. Step 3: Cross multiply
    69,329.47x = 103,994.43 × 16,738.96
  4. Step 4: Simplify right side
    69,329.47x = 1,740,758,603.99
  5. Step 5: Solve for x
    x = 1,740,758,603.99/69,329.47
  6. Step 6: Final answer
    x = 25,108.49

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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.