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Finding the Fourth Proportional to 18,220.01, 27,330.02 and 10,423.36

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Solution

The fourth proportional to 18,220.01, 27,330.02 and 10,423.36 is: 15,635.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.01 : 27,330.02 = 10,423.36 : x
  2. Step 2: Convert to fraction form
    18,220.01/27,330.02 = 10,423.36/x
  3. Step 3: Cross multiply
    18,220.01x = 27,330.02 × 10,423.36
  4. Step 4: Simplify right side
    18,220.01x = 284,870,637.27
  5. Step 5: Solve for x
    x = 284,870,637.27/18,220.01
  6. Step 6: Final answer
    x = 15,635.04

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Similar ratio
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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.