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Finding the Fourth Proportional to 81,863.51, 112,963.11 and 46,050.47

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Solution

The fourth proportional to 81,863.51, 112,963.11 and 46,050.47 is: 63,544.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,863.51 : 112,963.11 = 46,050.47 : x
  2. Step 2: Convert to fraction form
    81,863.51/112,963.11 = 46,050.47/x
  3. Step 3: Cross multiply
    81,863.51x = 112,963.11 × 46,050.47
  4. Step 4: Simplify right side
    81,863.51x = 5,202,004,629.69
  5. Step 5: Solve for x
    x = 5,202,004,629.69/81,863.51
  6. Step 6: Final answer
    x = 63,544.85

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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.