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Finding the Fourth Proportional to 84,716.64, 116,905.68 and 46,990.24

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Solution

The fourth proportional to 84,716.64, 116,905.68 and 46,990.24 is: 64,844.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,716.64 : 116,905.68 = 46,990.24 : x
  2. Step 2: Convert to fraction form
    84,716.64/116,905.68 = 46,990.24/x
  3. Step 3: Cross multiply
    84,716.64x = 116,905.68 × 46,990.24
  4. Step 4: Simplify right side
    84,716.64x = 5,493,425,960.56
  5. Step 5: Solve for x
    x = 5,493,425,960.56/84,716.64
  6. Step 6: Final answer
    x = 64,844.71

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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.