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Finding the Fourth Proportional to 18,026.71, 27,041.02 and 5,555.30

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Solution

The fourth proportional to 18,026.71, 27,041.02 and 5,555.30 is: 8,333.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,026.71 : 27,041.02 = 5,555.30 : x
  2. Step 2: Convert to fraction form
    18,026.71/27,041.02 = 5,555.30/x
  3. Step 3: Cross multiply
    18,026.71x = 27,041.02 × 5,555.30
  4. Step 4: Simplify right side
    18,026.71x = 150,220,843.20
  5. Step 5: Solve for x
    x = 150,220,843.20/18,026.71
  6. Step 6: Final answer
    x = 8,333.24

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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.