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Finding the Fourth Proportional to 30,324.46, 41,847.47 and 16,895.47

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Solution

The fourth proportional to 30,324.46, 41,847.47 and 16,895.47 is: 23,315.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,324.46 : 41,847.47 = 16,895.47 : x
  2. Step 2: Convert to fraction form
    30,324.46/41,847.47 = 16,895.47/x
  3. Step 3: Cross multiply
    30,324.46x = 41,847.47 × 16,895.47
  4. Step 4: Simplify right side
    30,324.46x = 707,032,673.96
  5. Step 5: Solve for x
    x = 707,032,673.96/30,324.46
  6. Step 6: Final answer
    x = 23,315.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.