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Finding the Fourth Proportional to 50,643.10, 75,855.30 and 32,928.40

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Solution

The fourth proportional to 50,643.10, 75,855.30 and 32,928.40 is: 49,321.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,643.10 : 75,855.30 = 32,928.40 : x
  2. Step 2: Convert to fraction form
    50,643.10/75,855.30 = 32,928.40/x
  3. Step 3: Cross multiply
    50,643.10x = 75,855.30 × 32,928.40
  4. Step 4: Simplify right side
    50,643.10x = 2,497,793,660.52
  5. Step 5: Solve for x
    x = 2,497,793,660.52/50,643.10
  6. Step 6: Final answer
    x = 49,321.50

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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.