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Finding the Fourth Proportional to 12,023.46, 18,035.46 and 4,125.89

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Solution

The fourth proportional to 12,023.46, 18,035.46 and 4,125.89 is: 6,188.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,023.46 : 18,035.46 = 4,125.89 : x
  2. Step 2: Convert to fraction form
    12,023.46/18,035.46 = 4,125.89/x
  3. Step 3: Cross multiply
    12,023.46x = 18,035.46 × 4,125.89
  4. Step 4: Simplify right side
    12,023.46x = 74,412,369.15
  5. Step 5: Solve for x
    x = 74,412,369.15/12,023.46
  6. Step 6: Final answer
    x = 6,188.93

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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.