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Finding the Fourth Proportional to 12,041.84, 18,063.04 and 3,722.08

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Solution

The fourth proportional to 12,041.84, 18,063.04 and 3,722.08 is: 5,583.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,041.84 : 18,063.04 = 3,722.08 : x
  2. Step 2: Convert to fraction form
    12,041.84/18,063.04 = 3,722.08/x
  3. Step 3: Cross multiply
    12,041.84x = 18,063.04 × 3,722.08
  4. Step 4: Simplify right side
    12,041.84x = 67,232,079.92
  5. Step 5: Solve for x
    x = 67,232,079.92/12,041.84
  6. Step 6: Final answer
    x = 5,583.21

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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.