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Finding the Fourth Proportional to 20,703.68, 28,604.48 and 14,444

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Solution

The fourth proportional to 20,703.68, 28,604.48 and 14,444 is: 19,956.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,703.68 : 28,604.48 = 14,444 : x
  2. Step 2: Convert to fraction form
    20,703.68/28,604.48 = 14,444/x
  3. Step 3: Cross multiply
    20,703.68x = 28,604.48 × 14,444
  4. Step 4: Simplify right side
    20,703.68x = 413,163,109.12
  5. Step 5: Solve for x
    x = 413,163,109.12/20,703.68
  6. Step 6: Final answer
    x = 19,956.02

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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.