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Finding the Fourth Proportional to 13,063.21, 18,027.58 and 8,030.38

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Solution

The fourth proportional to 13,063.21, 18,027.58 and 8,030.38 is: 11,082.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063.21 : 18,027.58 = 8,030.38 : x
  2. Step 2: Convert to fraction form
    13,063.21/18,027.58 = 8,030.38/x
  3. Step 3: Cross multiply
    13,063.21x = 18,027.58 × 8,030.38
  4. Step 4: Simplify right side
    13,063.21x = 144,768,317.88
  5. Step 5: Solve for x
    x = 144,768,317.88/13,063.21
  6. Step 6: Final answer
    x = 11,082.14

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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.