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Finding the Fourth Proportional to 29,902.73, 44,855.73 and 12,130.75

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Solution

The fourth proportional to 29,902.73, 44,855.73 and 12,130.75 is: 18,196.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,902.73 : 44,855.73 = 12,130.75 : x
  2. Step 2: Convert to fraction form
    29,902.73/44,855.73 = 12,130.75/x
  3. Step 3: Cross multiply
    29,902.73x = 44,855.73 × 12,130.75
  4. Step 4: Simplify right side
    29,902.73x = 544,133,646.70
  5. Step 5: Solve for x
    x = 544,133,646.70/29,902.73
  6. Step 6: Final answer
    x = 18,196.79

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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.