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Finding the Fourth Proportional to 16,755.85, 25,125.18 and 8,862.63

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Solution

The fourth proportional to 16,755.85, 25,125.18 and 8,862.63 is: 13,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,755.85 : 25,125.18 = 8,862.63 : x
  2. Step 2: Convert to fraction form
    16,755.85/25,125.18 = 8,862.63/x
  3. Step 3: Cross multiply
    16,755.85x = 25,125.18 × 8,862.63
  4. Step 4: Simplify right side
    16,755.85x = 222,675,174.02
  5. Step 5: Solve for x
    x = 222,675,174.02/16,755.85
  6. Step 6: Final answer
    x = 13,289.40

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1.5x scale

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.