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Finding the Fourth Proportional to 18,310.02, 27,465.02 and 6,620.50

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Solution

The fourth proportional to 18,310.02, 27,465.02 and 6,620.50 is: 9,930.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,310.02 : 27,465.02 = 6,620.50 : x
  2. Step 2: Convert to fraction form
    18,310.02/27,465.02 = 6,620.50/x
  3. Step 3: Cross multiply
    18,310.02x = 27,465.02 × 6,620.50
  4. Step 4: Simplify right side
    18,310.02x = 181,832,164.91
  5. Step 5: Solve for x
    x = 181,832,164.91/18,310.02
  6. Step 6: Final answer
    x = 9,930.75

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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.