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Finding the Fourth Proportional to 45,969.80, 68,962.80 and 16,404.80

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Solution

The fourth proportional to 45,969.80, 68,962.80 and 16,404.80 is: 24,610.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,969.80 : 68,962.80 = 16,404.80 : x
  2. Step 2: Convert to fraction form
    45,969.80/68,962.80 = 16,404.80/x
  3. Step 3: Cross multiply
    45,969.80x = 68,962.80 × 16,404.80
  4. Step 4: Simplify right side
    45,969.80x = 1,131,320,941.44
  5. Step 5: Solve for x
    x = 1,131,320,941.44/45,969.80
  6. Step 6: Final answer
    x = 24,610.09

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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.