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Finding the Fourth Proportional to 84,639.66, 116,797.86 and 46,391.76

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Solution

The fourth proportional to 84,639.66, 116,797.86 and 46,391.76 is: 64,017.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,639.66 : 116,797.86 = 46,391.76 : x
  2. Step 2: Convert to fraction form
    84,639.66/116,797.86 = 46,391.76/x
  3. Step 3: Cross multiply
    84,639.66x = 116,797.86 × 46,391.76
  4. Step 4: Simplify right side
    84,639.66x = 5,418,458,289.63
  5. Step 5: Solve for x
    x = 5,418,458,289.63/84,639.66
  6. Step 6: Final answer
    x = 64,017.96

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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.