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Finding the Fourth Proportional to 30,899, 45,951.02 and 29,914.84

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Solution

The fourth proportional to 30,899, 45,951.02 and 29,914.84 is: 44,487.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,899 : 45,951.02 = 29,914.84 : x
  2. Step 2: Convert to fraction form
    30,899/45,951.02 = 29,914.84/x
  3. Step 3: Cross multiply
    30,899x = 45,951.02 × 29,914.84
  4. Step 4: Simplify right side
    30,899x = 1,374,617,261.56
  5. Step 5: Solve for x
    x = 1,374,617,261.56/30,899
  6. Step 6: Final answer
    x = 44,487.44

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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.