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Finding the Fourth Proportional to 18,355.01, 27,532.10 and 5,874.98

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Solution

The fourth proportional to 18,355.01, 27,532.10 and 5,874.98 is: 8,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,355.01 : 27,532.10 = 5,874.98 : x
  2. Step 2: Convert to fraction form
    18,355.01/27,532.10 = 5,874.98/x
  3. Step 3: Cross multiply
    18,355.01x = 27,532.10 × 5,874.98
  4. Step 4: Simplify right side
    18,355.01x = 161,750,568.75
  5. Step 5: Solve for x
    x = 161,750,568.75/18,355.01
  6. Step 6: Final answer
    x = 8,812.34

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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.