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Finding the Fourth Proportional to 17,168.35, 25,768.77 and 8,854.15

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Solution

The fourth proportional to 17,168.35, 25,768.77 and 8,854.15 is: 13,289.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,168.35 : 25,768.77 = 8,854.15 : x
  2. Step 2: Convert to fraction form
    17,168.35/25,768.77 = 8,854.15/x
  3. Step 3: Cross multiply
    17,168.35x = 25,768.77 × 8,854.15
  4. Step 4: Simplify right side
    17,168.35x = 228,160,554.90
  5. Step 5: Solve for x
    x = 228,160,554.90/17,168.35
  6. Step 6: Final answer
    x = 13,289.60

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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.