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Finding the Fourth Proportional to 62,286.72, 85,955.64 and 33,992.64

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Solution

The fourth proportional to 62,286.72, 85,955.64 and 33,992.64 is: 46,909.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,286.72 : 85,955.64 = 33,992.64 : x
  2. Step 2: Convert to fraction form
    62,286.72/85,955.64 = 33,992.64/x
  3. Step 3: Cross multiply
    62,286.72x = 85,955.64 × 33,992.64
  4. Step 4: Simplify right side
    62,286.72x = 2,921,859,126.49
  5. Step 5: Solve for x
    x = 2,921,859,126.49/62,286.72
  6. Step 6: Final answer
    x = 46,909.82

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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.