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Finding the Fourth Proportional to 18,190.71, 27,274.86 and 8,333.01

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Solution

The fourth proportional to 18,190.71, 27,274.86 and 8,333.01 is: 12,494.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.71 : 27,274.86 = 8,333.01 : x
  2. Step 2: Convert to fraction form
    18,190.71/27,274.86 = 8,333.01/x
  3. Step 3: Cross multiply
    18,190.71x = 27,274.86 × 8,333.01
  4. Step 4: Simplify right side
    18,190.71x = 227,281,681.13
  5. Step 5: Solve for x
    x = 227,281,681.13/18,190.71
  6. Step 6: Final answer
    x = 12,494.38

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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.