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Finding the Fourth Proportional to 84,014.43, 115,939.85 and 46,288.68

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Solution

The fourth proportional to 84,014.43, 115,939.85 and 46,288.68 is: 63,878.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,014.43 : 115,939.85 = 46,288.68 : x
  2. Step 2: Convert to fraction form
    84,014.43/115,939.85 = 46,288.68/x
  3. Step 3: Cross multiply
    84,014.43x = 115,939.85 × 46,288.68
  4. Step 4: Simplify right side
    84,014.43x = 5,366,702,615.90
  5. Step 5: Solve for x
    x = 5,366,702,615.90/84,014.43
  6. Step 6: Final answer
    x = 63,878.34

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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.