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Finding the Fourth Proportional to 54,341.70, 81,512.55 and 41,219.70

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Solution

The fourth proportional to 54,341.70, 81,512.55 and 41,219.70 is: 61,829.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,341.70 : 81,512.55 = 41,219.70 : x
  2. Step 2: Convert to fraction form
    54,341.70/81,512.55 = 41,219.70/x
  3. Step 3: Cross multiply
    54,341.70x = 81,512.55 × 41,219.70
  4. Step 4: Simplify right side
    54,341.70x = 3,359,922,857.24
  5. Step 5: Solve for x
    x = 3,359,922,857.24/54,341.70
  6. Step 6: Final answer
    x = 61,829.55

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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.