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Finding the Fourth Proportional to 30,635.27, 45,952.74 and 11,928.32

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Solution

The fourth proportional to 30,635.27, 45,952.74 and 11,928.32 is: 17,892.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,635.27 : 45,952.74 = 11,928.32 : x
  2. Step 2: Convert to fraction form
    30,635.27/45,952.74 = 11,928.32/x
  3. Step 3: Cross multiply
    30,635.27x = 45,952.74 × 11,928.32
  4. Step 4: Simplify right side
    30,635.27x = 548,138,987.60
  5. Step 5: Solve for x
    x = 548,138,987.60/30,635.27
  6. Step 6: Final answer
    x = 17,892.42

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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.