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Finding the Fourth Proportional to 36,359.40, 50,176.60 and 20,228.00

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Solution

The fourth proportional to 36,359.40, 50,176.60 and 20,228.00 is: 27,914.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,359.40 : 50,176.60 = 20,228.00 : x
  2. Step 2: Convert to fraction form
    36,359.40/50,176.60 = 20,228.00/x
  3. Step 3: Cross multiply
    36,359.40x = 50,176.60 × 20,228.00
  4. Step 4: Simplify right side
    36,359.40x = 1,014,971,963.35
  5. Step 5: Solve for x
    x = 1,014,971,963.35/36,359.40
  6. Step 6: Final answer
    x = 27,914.98

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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.