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Finding the Fourth Proportional to 66,864.98, 100,297.32 and 16,944.95

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Solution

The fourth proportional to 66,864.98, 100,297.32 and 16,944.95 is: 25,417.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,864.98 : 100,297.32 = 16,944.95 : x
  2. Step 2: Convert to fraction form
    66,864.98/100,297.32 = 16,944.95/x
  3. Step 3: Cross multiply
    66,864.98x = 100,297.32 × 16,944.95
  4. Step 4: Simplify right side
    66,864.98x = 1,699,532,571.05
  5. Step 5: Solve for x
    x = 1,699,532,571.05/66,864.98
  6. Step 6: Final answer
    x = 25,417.38

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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.