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Finding the Fourth Proportional to 62,185, 85,815.66 and 33,892.60

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Solution

The fourth proportional to 62,185, 85,815.66 and 33,892.60 is: 46,771.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,185 : 85,815.66 = 33,892.60 : x
  2. Step 2: Convert to fraction form
    62,185/85,815.66 = 33,892.60/x
  3. Step 3: Cross multiply
    62,185x = 85,815.66 × 33,892.60
  4. Step 4: Simplify right side
    62,185x = 2,908,515,838.12
  5. Step 5: Solve for x
    x = 2,908,515,838.12/62,185
  6. Step 6: Final answer
    x = 46,771.98

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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.