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Finding the Fourth Proportional to 48,675.20, 73,012.80 and 32,928.80

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Solution

The fourth proportional to 48,675.20, 73,012.80 and 32,928.80 is: 49,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,675.20 : 73,012.80 = 32,928.80 : x
  2. Step 2: Convert to fraction form
    48,675.20/73,012.80 = 32,928.80/x
  3. Step 3: Cross multiply
    48,675.20x = 73,012.80 × 32,928.80
  4. Step 4: Simplify right side
    48,675.20x = 2,404,223,888.64
  5. Step 5: Solve for x
    x = 2,404,223,888.64/48,675.20
  6. Step 6: Final answer
    x = 49,393.20

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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.