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Finding the Fourth Proportional to 33,156.54, 45,755.55 and 19,008.54

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Solution

The fourth proportional to 33,156.54, 45,755.55 and 19,008.54 is: 26,231.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,156.54 : 45,755.55 = 19,008.54 : x
  2. Step 2: Convert to fraction form
    33,156.54/45,755.55 = 19,008.54/x
  3. Step 3: Cross multiply
    33,156.54x = 45,755.55 × 19,008.54
  4. Step 4: Simplify right side
    33,156.54x = 869,746,202.40
  5. Step 5: Solve for x
    x = 869,746,202.40/33,156.54
  6. Step 6: Final answer
    x = 26,231.51

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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.