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Finding the Fourth Proportional to 29,803.21, 44,712.41 and 14,005.17

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Solution

The fourth proportional to 29,803.21, 44,712.41 and 14,005.17 is: 21,011.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,803.21 : 44,712.41 = 14,005.17 : x
  2. Step 2: Convert to fraction form
    29,803.21/44,712.41 = 14,005.17/x
  3. Step 3: Cross multiply
    29,803.21x = 44,712.41 × 14,005.17
  4. Step 4: Simplify right side
    29,803.21x = 626,204,833.13
  5. Step 5: Solve for x
    x = 626,204,833.13/29,803.21
  6. Step 6: Final answer
    x = 21,011.32

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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.