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Finding the Fourth Proportional to 36,059.64, 49,765.01 and 20,750.90

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Solution

The fourth proportional to 36,059.64, 49,765.01 and 20,750.90 is: 28,637.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,059.64 : 49,765.01 = 20,750.90 : x
  2. Step 2: Convert to fraction form
    36,059.64/49,765.01 = 20,750.90/x
  3. Step 3: Cross multiply
    36,059.64x = 49,765.01 × 20,750.90
  4. Step 4: Simplify right side
    36,059.64x = 1,032,668,393.43
  5. Step 5: Solve for x
    x = 1,032,668,393.43/36,059.64
  6. Step 6: Final answer
    x = 28,637.79

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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.