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Finding the Fourth Proportional to 18,180.71, 27,271.41 and 5,700.46

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Solution

The fourth proportional to 18,180.71, 27,271.41 and 5,700.46 is: 8,550.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.71 : 27,271.41 = 5,700.46 : x
  2. Step 2: Convert to fraction form
    18,180.71/27,271.41 = 5,700.46/x
  3. Step 3: Cross multiply
    18,180.71x = 27,271.41 × 5,700.46
  4. Step 4: Simplify right side
    18,180.71x = 155,459,581.85
  5. Step 5: Solve for x
    x = 155,459,581.85/18,180.71
  6. Step 6: Final answer
    x = 8,550.80

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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.