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Finding the Fourth Proportional to 9,660.76, 14,493.21 and 5,502.76

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Solution

The fourth proportional to 9,660.76, 14,493.21 and 5,502.76 is: 8,255.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,660.76 : 14,493.21 = 5,502.76 : x
  2. Step 2: Convert to fraction form
    9,660.76/14,493.21 = 5,502.76/x
  3. Step 3: Cross multiply
    9,660.76x = 14,493.21 × 5,502.76
  4. Step 4: Simplify right side
    9,660.76x = 79,752,656.26
  5. Step 5: Solve for x
    x = 79,752,656.26/9,660.76
  6. Step 6: Final answer
    x = 8,255.32

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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.