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Finding the Fourth Proportional to 32,819.20, 49,228.80 and 9,446.40

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Solution

The fourth proportional to 32,819.20, 49,228.80 and 9,446.40 is: 14,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,819.20 : 49,228.80 = 9,446.40 : x
  2. Step 2: Convert to fraction form
    32,819.20/49,228.80 = 9,446.40/x
  3. Step 3: Cross multiply
    32,819.20x = 49,228.80 × 9,446.40
  4. Step 4: Simplify right side
    32,819.20x = 465,034,936.32
  5. Step 5: Solve for x
    x = 465,034,936.32/32,819.20
  6. Step 6: Final answer
    x = 14,169.60

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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.