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Finding the Fourth Proportional to 55,675.68, 76,829.14 and 33,016.84

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Solution

The fourth proportional to 55,675.68, 76,829.14 and 33,016.84 is: 45,561.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,675.68 : 76,829.14 = 33,016.84 : x
  2. Step 2: Convert to fraction form
    55,675.68/76,829.14 = 33,016.84/x
  3. Step 3: Cross multiply
    55,675.68x = 76,829.14 × 33,016.84
  4. Step 4: Simplify right side
    55,675.68x = 2,536,655,422.72
  5. Step 5: Solve for x
    x = 2,536,655,422.72/55,675.68
  6. Step 6: Final answer
    x = 45,561.28

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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.