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Finding the Fourth Proportional to 36,701.80, 54,987.90 and 30,092.20

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Solution

The fourth proportional to 36,701.80, 54,987.90 and 30,092.20 is: 45,085.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,701.80 : 54,987.90 = 30,092.20 : x
  2. Step 2: Convert to fraction form
    36,701.80/54,987.90 = 30,092.20/x
  3. Step 3: Cross multiply
    36,701.80x = 54,987.90 × 30,092.20
  4. Step 4: Simplify right side
    36,701.80x = 1,654,706,884.38
  5. Step 5: Solve for x
    x = 1,654,706,884.38/36,701.80
  6. Step 6: Final answer
    x = 45,085.17

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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.