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Finding the Fourth Proportional to 84,638.52, 116,794.86 and 46,391.94

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Solution

The fourth proportional to 84,638.52, 116,794.86 and 46,391.94 is: 64,017.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,638.52 : 116,794.86 = 46,391.94 : x
  2. Step 2: Convert to fraction form
    84,638.52/116,794.86 = 46,391.94/x
  3. Step 3: Cross multiply
    84,638.52x = 116,794.86 × 46,391.94
  4. Step 4: Simplify right side
    84,638.52x = 5,418,340,137.43
  5. Step 5: Solve for x
    x = 5,418,340,137.43/84,638.52
  6. Step 6: Final answer
    x = 64,017.43

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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.