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Finding the Fourth Proportional to 84,704.92, 116,892.80 and 46,979.17

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Solution

The fourth proportional to 84,704.92, 116,892.80 and 46,979.17 is: 64,831.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,704.92 : 116,892.80 = 46,979.17 : x
  2. Step 2: Convert to fraction form
    84,704.92/116,892.80 = 46,979.17/x
  3. Step 3: Cross multiply
    84,704.92x = 116,892.80 × 46,979.17
  4. Step 4: Simplify right side
    84,704.92x = 5,491,526,722.98
  5. Step 5: Solve for x
    x = 5,491,526,722.98/84,704.92
  6. Step 6: Final answer
    x = 64,831.26

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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.