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Finding the Fourth Proportional to 32,410.40, 48,615.60 and 28,392.80

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Solution

The fourth proportional to 32,410.40, 48,615.60 and 28,392.80 is: 42,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,410.40 : 48,615.60 = 28,392.80 : x
  2. Step 2: Convert to fraction form
    32,410.40/48,615.60 = 28,392.80/x
  3. Step 3: Cross multiply
    32,410.40x = 48,615.60 × 28,392.80
  4. Step 4: Simplify right side
    32,410.40x = 1,380,333,007.68
  5. Step 5: Solve for x
    x = 1,380,333,007.68/32,410.40
  6. Step 6: Final answer
    x = 42,589.20

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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.