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Finding the Fourth Proportional to 18,019.62, 27,041.73 and 6,332.84

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Solution

The fourth proportional to 18,019.62, 27,041.73 and 6,332.84 is: 9,503.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,019.62 : 27,041.73 = 6,332.84 : x
  2. Step 2: Convert to fraction form
    18,019.62/27,041.73 = 6,332.84/x
  3. Step 3: Cross multiply
    18,019.62x = 27,041.73 × 6,332.84
  4. Step 4: Simplify right side
    18,019.62x = 171,250,949.41
  5. Step 5: Solve for x
    x = 171,250,949.41/18,019.62
  6. Step 6: Final answer
    x = 9,503.58

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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.