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Finding the Fourth Proportional to 30,893.01, 45,942.06 and 29,908.86

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Solution

The fourth proportional to 30,893.01, 45,942.06 and 29,908.86 is: 44,478.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,893.01 : 45,942.06 = 29,908.86 : x
  2. Step 2: Convert to fraction form
    30,893.01/45,942.06 = 29,908.86/x
  3. Step 3: Cross multiply
    30,893.01x = 45,942.06 × 29,908.86
  4. Step 4: Simplify right side
    30,893.01x = 1,374,074,640.65
  5. Step 5: Solve for x
    x = 1,374,074,640.65/30,893.01
  6. Step 6: Final answer
    x = 44,478.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.