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Finding the Fourth Proportional to 32,460.28, 48,690.42 and 7,836.28

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Solution

The fourth proportional to 32,460.28, 48,690.42 and 7,836.28 is: 11,754.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,460.28 : 48,690.42 = 7,836.28 : x
  2. Step 2: Convert to fraction form
    32,460.28/48,690.42 = 7,836.28/x
  3. Step 3: Cross multiply
    32,460.28x = 48,690.42 × 7,836.28
  4. Step 4: Simplify right side
    32,460.28x = 381,551,764.44
  5. Step 5: Solve for x
    x = 381,551,764.44/32,460.28
  6. Step 6: Final answer
    x = 11,754.42

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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.