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Finding the Fourth Proportional to 54,852.57, 82,278.86 and 13,299.57

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Solution

The fourth proportional to 54,852.57, 82,278.86 and 13,299.57 is: 19,949.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,852.57 : 82,278.86 = 13,299.57 : x
  2. Step 2: Convert to fraction form
    54,852.57/82,278.86 = 13,299.57/x
  3. Step 3: Cross multiply
    54,852.57x = 82,278.86 × 13,299.57
  4. Step 4: Simplify right side
    54,852.57x = 1,094,273,391.59
  5. Step 5: Solve for x
    x = 1,094,273,391.59/54,852.57
  6. Step 6: Final answer
    x = 19,949.36

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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.