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Finding the Fourth Proportional to 18,023.68, 27,026.67 and 10,529.12

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Solution

The fourth proportional to 18,023.68, 27,026.67 and 10,529.12 is: 15,788.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,023.68 : 27,026.67 = 10,529.12 : x
  2. Step 2: Convert to fraction form
    18,023.68/27,026.67 = 10,529.12/x
  3. Step 3: Cross multiply
    18,023.68x = 27,026.67 × 10,529.12
  4. Step 4: Simplify right side
    18,023.68x = 284,567,051.63
  5. Step 5: Solve for x
    x = 284,567,051.63/18,023.68
  6. Step 6: Final answer
    x = 15,788.51

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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.