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Finding the Fourth Proportional to 18,011.77, 27,025.17 and 7,484.10

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Solution

The fourth proportional to 18,011.77, 27,025.17 and 7,484.10 is: 11,229.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,011.77 : 27,025.17 = 7,484.10 : x
  2. Step 2: Convert to fraction form
    18,011.77/27,025.17 = 7,484.10/x
  3. Step 3: Cross multiply
    18,011.77x = 27,025.17 × 7,484.10
  4. Step 4: Simplify right side
    18,011.77x = 202,258,966.44
  5. Step 5: Solve for x
    x = 202,258,966.44/18,011.77
  6. Step 6: Final answer
    x = 11,229.27

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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.