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Finding the Fourth Proportional to 17,820.94, 26,713.80 and 8,444.47

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Solution

The fourth proportional to 17,820.94, 26,713.80 and 8,444.47 is: 12,658.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,820.94 : 26,713.80 = 8,444.47 : x
  2. Step 2: Convert to fraction form
    17,820.94/26,713.80 = 8,444.47/x
  3. Step 3: Cross multiply
    17,820.94x = 26,713.80 × 8,444.47
  4. Step 4: Simplify right side
    17,820.94x = 225,583,882.69
  5. Step 5: Solve for x
    x = 225,583,882.69/17,820.94
  6. Step 6: Final answer
    x = 12,658.36

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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.