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Finding the Fourth Proportional to 32,215.17, 48,311.17 and 11,149.49

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Solution

The fourth proportional to 32,215.17, 48,311.17 and 11,149.49 is: 16,720.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,215.17 : 48,311.17 = 11,149.49 : x
  2. Step 2: Convert to fraction form
    32,215.17/48,311.17 = 11,149.49/x
  3. Step 3: Cross multiply
    32,215.17x = 48,311.17 × 11,149.49
  4. Step 4: Simplify right side
    32,215.17x = 538,644,999.71
  5. Step 5: Solve for x
    x = 538,644,999.71/32,215.17
  6. Step 6: Final answer
    x = 16,720.23

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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.