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Finding the Fourth Proportional to 17,923.80, 26,885.70 and 17,632.20

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Solution

The fourth proportional to 17,923.80, 26,885.70 and 17,632.20 is: 26,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,923.80 : 26,885.70 = 17,632.20 : x
  2. Step 2: Convert to fraction form
    17,923.80/26,885.70 = 17,632.20/x
  3. Step 3: Cross multiply
    17,923.80x = 26,885.70 × 17,632.20
  4. Step 4: Simplify right side
    17,923.80x = 474,054,039.54
  5. Step 5: Solve for x
    x = 474,054,039.54/17,923.80
  6. Step 6: Final answer
    x = 26,448.30

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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.