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Finding the Fourth Proportional to 12,041.84, 18,060.60 and 5,021.84

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Solution

The fourth proportional to 12,041.84, 18,060.60 and 5,021.84 is: 7,531.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,041.84 : 18,060.60 = 5,021.84 : x
  2. Step 2: Convert to fraction form
    12,041.84/18,060.60 = 5,021.84/x
  3. Step 3: Cross multiply
    12,041.84x = 18,060.60 × 5,021.84
  4. Step 4: Simplify right side
    12,041.84x = 90,697,443.50
  5. Step 5: Solve for x
    x = 90,697,443.50/12,041.84
  6. Step 6: Final answer
    x = 7,531.86

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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.