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Finding the Fourth Proportional to 8,954.63, 13,436.87 and 4,337.63

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Solution

The fourth proportional to 8,954.63, 13,436.87 and 4,337.63 is: 6,508.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.63 : 13,436.87 = 4,337.63 : x
  2. Step 2: Convert to fraction form
    8,954.63/13,436.87 = 4,337.63/x
  3. Step 3: Cross multiply
    8,954.63x = 13,436.87 × 4,337.63
  4. Step 4: Simplify right side
    8,954.63x = 58,284,081.55
  5. Step 5: Solve for x
    x = 58,284,081.55/8,954.63
  6. Step 6: Final answer
    x = 6,508.82

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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.