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Finding the Fourth Proportional to 66,469.05, 99,702.77 and 16,549.56

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Solution

The fourth proportional to 66,469.05, 99,702.77 and 16,549.56 is: 24,824.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,469.05 : 99,702.77 = 16,549.56 : x
  2. Step 2: Convert to fraction form
    66,469.05/99,702.77 = 16,549.56/x
  3. Step 3: Cross multiply
    66,469.05x = 99,702.77 × 16,549.56
  4. Step 4: Simplify right side
    66,469.05x = 1,650,036,891.53
  5. Step 5: Solve for x
    x = 1,650,036,891.53/66,469.05
  6. Step 6: Final answer
    x = 24,824.14

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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.