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Finding the Fourth Proportional to 18,022.77, 24,871.14 and 10,065.09

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Solution

The fourth proportional to 18,022.77, 24,871.14 and 10,065.09 is: 13,889.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,022.77 : 24,871.14 = 10,065.09 : x
  2. Step 2: Convert to fraction form
    18,022.77/24,871.14 = 10,065.09/x
  3. Step 3: Cross multiply
    18,022.77x = 24,871.14 × 10,065.09
  4. Step 4: Simplify right side
    18,022.77x = 250,330,262.50
  5. Step 5: Solve for x
    x = 250,330,262.50/18,022.77
  6. Step 6: Final answer
    x = 13,889.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.