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Finding the Fourth Proportional to 66,804.77, 100,197.88 and 16,881.77

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Solution

The fourth proportional to 66,804.77, 100,197.88 and 16,881.77 is: 25,320.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,804.77 : 100,197.88 = 16,881.77 : x
  2. Step 2: Convert to fraction form
    66,804.77/100,197.88 = 16,881.77/x
  3. Step 3: Cross multiply
    66,804.77x = 100,197.88 × 16,881.77
  4. Step 4: Simplify right side
    66,804.77x = 1,691,517,772.94
  5. Step 5: Solve for x
    x = 1,691,517,772.94/66,804.77
  6. Step 6: Final answer
    x = 25,320.31

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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.