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Finding the Fourth Proportional to 8,655.50, 11,935.04 and 6,260.73

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Solution

The fourth proportional to 8,655.50, 11,935.04 and 6,260.73 is: 8,632.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,655.50 : 11,935.04 = 6,260.73 : x
  2. Step 2: Convert to fraction form
    8,655.50/11,935.04 = 6,260.73/x
  3. Step 3: Cross multiply
    8,655.50x = 11,935.04 × 6,260.73
  4. Step 4: Simplify right side
    8,655.50x = 74,722,031.68
  5. Step 5: Solve for x
    x = 74,722,031.68/8,655.50
  6. Step 6: Final answer
    x = 8,632.90

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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.