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Finding the Fourth Proportional to 11,432.80, 17,141.10 and 4,410.10

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Solution

The fourth proportional to 11,432.80, 17,141.10 and 4,410.10 is: 6,612.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,432.80 : 17,141.10 = 4,410.10 : x
  2. Step 2: Convert to fraction form
    11,432.80/17,141.10 = 4,410.10/x
  3. Step 3: Cross multiply
    11,432.80x = 17,141.10 × 4,410.10
  4. Step 4: Simplify right side
    11,432.80x = 75,593,965.11
  5. Step 5: Solve for x
    x = 75,593,965.11/11,432.80
  6. Step 6: Final answer
    x = 6,612.03

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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.