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Finding the Fourth Proportional to 66,170.16, 99,196.88 and 24,588

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Solution

The fourth proportional to 66,170.16, 99,196.88 and 24,588 is: 36,860.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,170.16 : 99,196.88 = 24,588 : x
  2. Step 2: Convert to fraction form
    66,170.16/99,196.88 = 24,588/x
  3. Step 3: Cross multiply
    66,170.16x = 99,196.88 × 24,588
  4. Step 4: Simplify right side
    66,170.16x = 2,439,052,885.44
  5. Step 5: Solve for x
    x = 2,439,052,885.44/66,170.16
  6. Step 6: Final answer
    x = 36,860.31

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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.