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Finding the Fourth Proportional to 81,860.58, 112,974.12 and 46,048.44

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Solution

The fourth proportional to 81,860.58, 112,974.12 and 46,048.44 is: 63,550.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,860.58 : 112,974.12 = 46,048.44 : x
  2. Step 2: Convert to fraction form
    81,860.58/112,974.12 = 46,048.44/x
  3. Step 3: Cross multiply
    81,860.58x = 112,974.12 × 46,048.44
  4. Step 4: Simplify right side
    81,860.58x = 5,202,281,986.37
  5. Step 5: Solve for x
    x = 5,202,281,986.37/81,860.58
  6. Step 6: Final answer
    x = 63,550.51

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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.