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Finding the Fourth Proportional to 32,107, 44,307.66 and 20,929

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Solution

The fourth proportional to 32,107, 44,307.66 and 20,929 is: 28,882.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,107 : 44,307.66 = 20,929 : x
  2. Step 2: Convert to fraction form
    32,107/44,307.66 = 20,929/x
  3. Step 3: Cross multiply
    32,107x = 44,307.66 × 20,929
  4. Step 4: Simplify right side
    32,107x = 927,315,016.14
  5. Step 5: Solve for x
    x = 927,315,016.14/32,107
  6. Step 6: Final answer
    x = 28,882.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.