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Finding the Fourth Proportional to 8,489.93, 12,717.99 and 6,632.37

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Solution

The fourth proportional to 8,489.93, 12,717.99 and 6,632.37 is: 9,935.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,489.93 : 12,717.99 = 6,632.37 : x
  2. Step 2: Convert to fraction form
    8,489.93/12,717.99 = 6,632.37/x
  3. Step 3: Cross multiply
    8,489.93x = 12,717.99 × 6,632.37
  4. Step 4: Simplify right side
    8,489.93x = 84,350,415.34
  5. Step 5: Solve for x
    x = 84,350,415.34/8,489.93
  6. Step 6: Final answer
    x = 9,935.35

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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.