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Finding the Fourth Proportional to 45,651.80, 68,548.10 and 24,915.80

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Solution

The fourth proportional to 45,651.80, 68,548.10 and 24,915.80 is: 37,412.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,651.80 : 68,548.10 = 24,915.80 : x
  2. Step 2: Convert to fraction form
    45,651.80/68,548.10 = 24,915.80/x
  3. Step 3: Cross multiply
    45,651.80x = 68,548.10 × 24,915.80
  4. Step 4: Simplify right side
    45,651.80x = 1,707,930,749.98
  5. Step 5: Solve for x
    x = 1,707,930,749.98/45,651.80
  6. Step 6: Final answer
    x = 37,412.12

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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.