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Finding the Fourth Proportional to 16,894.44, 25,341.93 and 5,207.63

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Solution

The fourth proportional to 16,894.44, 25,341.93 and 5,207.63 is: 7,811.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,894.44 : 25,341.93 = 5,207.63 : x
  2. Step 2: Convert to fraction form
    16,894.44/25,341.93 = 5,207.63/x
  3. Step 3: Cross multiply
    16,894.44x = 25,341.93 × 5,207.63
  4. Step 4: Simplify right side
    16,894.44x = 131,971,268.22
  5. Step 5: Solve for x
    x = 131,971,268.22/16,894.44
  6. Step 6: Final answer
    x = 7,811.52

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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.