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Finding the Fourth Proportional to 81,825.84, 112,918.58 and 46,015.84

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Solution

The fourth proportional to 81,825.84, 112,918.58 and 46,015.84 is: 63,501.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,825.84 : 112,918.58 = 46,015.84 : x
  2. Step 2: Convert to fraction form
    81,825.84/112,918.58 = 46,015.84/x
  3. Step 3: Cross multiply
    81,825.84x = 112,918.58 × 46,015.84
  4. Step 4: Simplify right side
    81,825.84x = 5,196,042,912.97
  5. Step 5: Solve for x
    x = 5,196,042,912.97/81,825.84
  6. Step 6: Final answer
    x = 63,501.25

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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.