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Finding the Fourth Proportional to 9,909.56, 13,677.12 and 6,552.56

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Solution

The fourth proportional to 9,909.56, 13,677.12 and 6,552.56 is: 9,043.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909.56 : 13,677.12 = 6,552.56 : x
  2. Step 2: Convert to fraction form
    9,909.56/13,677.12 = 6,552.56/x
  3. Step 3: Cross multiply
    9,909.56x = 13,677.12 × 6,552.56
  4. Step 4: Simplify right side
    9,909.56x = 89,620,149.43
  5. Step 5: Solve for x
    x = 89,620,149.43/9,909.56
  6. Step 6: Final answer
    x = 9,043.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.