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Finding the Fourth Proportional to 29,750.40, 44,633.02 and 21,002.40

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Solution

The fourth proportional to 29,750.40, 44,633.02 and 21,002.40 is: 31,508.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,750.40 : 44,633.02 = 21,002.40 : x
  2. Step 2: Convert to fraction form
    29,750.40/44,633.02 = 21,002.40/x
  3. Step 3: Cross multiply
    29,750.40x = 44,633.02 × 21,002.40
  4. Step 4: Simplify right side
    29,750.40x = 937,400,539.25
  5. Step 5: Solve for x
    x = 937,400,539.25/29,750.40
  6. Step 6: Final answer
    x = 31,508.84

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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.