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Finding the Fourth Proportional to 60,310.98, 90,466.47 and 20,846.57

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Solution

The fourth proportional to 60,310.98, 90,466.47 and 20,846.57 is: 31,269.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,310.98 : 90,466.47 = 20,846.57 : x
  2. Step 2: Convert to fraction form
    60,310.98/90,466.47 = 20,846.57/x
  3. Step 3: Cross multiply
    60,310.98x = 90,466.47 × 20,846.57
  4. Step 4: Simplify right side
    60,310.98x = 1,885,915,147.18
  5. Step 5: Solve for x
    x = 1,885,915,147.18/60,310.98
  6. Step 6: Final answer
    x = 31,269.85

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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.