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Finding the Fourth Proportional to 61,609.32, 84,982.50 and 36,441

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Solution

The fourth proportional to 61,609.32, 84,982.50 and 36,441 is: 50,265.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,609.32 : 84,982.50 = 36,441 : x
  2. Step 2: Convert to fraction form
    61,609.32/84,982.50 = 36,441/x
  3. Step 3: Cross multiply
    61,609.32x = 84,982.50 × 36,441
  4. Step 4: Simplify right side
    61,609.32x = 3,096,847,282.50
  5. Step 5: Solve for x
    x = 3,096,847,282.50/61,609.32
  6. Step 6: Final answer
    x = 50,265.89

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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.