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Finding the Fourth Proportional to 9,755.88, 14,628.90 and 4,489.32

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Solution

The fourth proportional to 9,755.88, 14,628.90 and 4,489.32 is: 6,731.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,755.88 : 14,628.90 = 4,489.32 : x
  2. Step 2: Convert to fraction form
    9,755.88/14,628.90 = 4,489.32/x
  3. Step 3: Cross multiply
    9,755.88x = 14,628.90 × 4,489.32
  4. Step 4: Simplify right side
    9,755.88x = 65,673,813.35
  5. Step 5: Solve for x
    x = 65,673,813.35/9,755.88
  6. Step 6: Final answer
    x = 6,731.72

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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.