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Finding the Fourth Proportional to 64,274.98, 88,700.58 and 35,205.94

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Solution

The fourth proportional to 64,274.98, 88,700.58 and 35,205.94 is: 48,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,274.98 : 88,700.58 = 35,205.94 : x
  2. Step 2: Convert to fraction form
    64,274.98/88,700.58 = 35,205.94/x
  3. Step 3: Cross multiply
    64,274.98x = 88,700.58 × 35,205.94
  4. Step 4: Simplify right side
    64,274.98x = 3,122,787,297.45
  5. Step 5: Solve for x
    x = 3,122,787,297.45/64,274.98
  6. Step 6: Final answer
    x = 48,584.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.