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Finding the Fourth Proportional to 29,820.72, 44,731.11 and 14,014.16

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Solution

The fourth proportional to 29,820.72, 44,731.11 and 14,014.16 is: 21,021.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,820.72 : 44,731.11 = 14,014.16 : x
  2. Step 2: Convert to fraction form
    29,820.72/44,731.11 = 14,014.16/x
  3. Step 3: Cross multiply
    29,820.72x = 44,731.11 × 14,014.16
  4. Step 4: Simplify right side
    29,820.72x = 626,868,708.86
  5. Step 5: Solve for x
    x = 626,868,708.86/29,820.72
  6. Step 6: Final answer
    x = 21,021.25

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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.