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Finding the Fourth Proportional to 62,830.84, 94,243.83 and 21,277.84

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Solution

The fourth proportional to 62,830.84, 94,243.83 and 21,277.84 is: 31,915.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,830.84 : 94,243.83 = 21,277.84 : x
  2. Step 2: Convert to fraction form
    62,830.84/94,243.83 = 21,277.84/x
  3. Step 3: Cross multiply
    62,830.84x = 94,243.83 × 21,277.84
  4. Step 4: Simplify right side
    62,830.84x = 2,005,305,135.73
  5. Step 5: Solve for x
    x = 2,005,305,135.73/62,830.84
  6. Step 6: Final answer
    x = 31,915.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.