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Finding the Fourth Proportional to 16,702, 25,054.48 and 4,390

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Solution

The fourth proportional to 16,702, 25,054.48 and 4,390 is: 6,585.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,702 : 25,054.48 = 4,390 : x
  2. Step 2: Convert to fraction form
    16,702/25,054.48 = 4,390/x
  3. Step 3: Cross multiply
    16,702x = 25,054.48 × 4,390
  4. Step 4: Simplify right side
    16,702x = 109,989,167.20
  5. Step 5: Solve for x
    x = 109,989,167.20/16,702
  6. Step 6: Final answer
    x = 6,585.39

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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.