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Finding the Fourth Proportional to 36,464.40, 50,320.86 and 19,697.40

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Solution

The fourth proportional to 36,464.40, 50,320.86 and 19,697.40 is: 27,182.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,464.40 : 50,320.86 = 19,697.40 : x
  2. Step 2: Convert to fraction form
    36,464.40/50,320.86 = 19,697.40/x
  3. Step 3: Cross multiply
    36,464.40x = 50,320.86 × 19,697.40
  4. Step 4: Simplify right side
    36,464.40x = 991,190,107.76
  5. Step 5: Solve for x
    x = 991,190,107.76/36,464.40
  6. Step 6: Final answer
    x = 27,182.41

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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.