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Finding the Fourth Proportional to 30,893.96, 42,633.96 and 16,747.04

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Solution

The fourth proportional to 30,893.96, 42,633.96 and 16,747.04 is: 23,111.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,893.96 : 42,633.96 = 16,747.04 : x
  2. Step 2: Convert to fraction form
    30,893.96/42,633.96 = 16,747.04/x
  3. Step 3: Cross multiply
    30,893.96x = 42,633.96 × 16,747.04
  4. Step 4: Simplify right side
    30,893.96x = 713,992,633.48
  5. Step 5: Solve for x
    x = 713,992,633.48/30,893.96
  6. Step 6: Final answer
    x = 23,111.08

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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.