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Finding the Fourth Proportional to 39,852.56, 54,967.56 and 33,874.64

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Solution

The fourth proportional to 39,852.56, 54,967.56 and 33,874.64 is: 46,722.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,852.56 : 54,967.56 = 33,874.64 : x
  2. Step 2: Convert to fraction form
    39,852.56/54,967.56 = 33,874.64/x
  3. Step 3: Cross multiply
    39,852.56x = 54,967.56 × 33,874.64
  4. Step 4: Simplify right side
    39,852.56x = 1,862,006,306.68
  5. Step 5: Solve for x
    x = 1,862,006,306.68/39,852.56
  6. Step 6: Final answer
    x = 46,722.38

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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.