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Finding the Fourth Proportional to 60,381.12, 83,328 and 36,503.04

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Solution

The fourth proportional to 60,381.12, 83,328 and 36,503.04 is: 50,375.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,381.12 : 83,328 = 36,503.04 : x
  2. Step 2: Convert to fraction form
    60,381.12/83,328 = 36,503.04/x
  3. Step 3: Cross multiply
    60,381.12x = 83,328 × 36,503.04
  4. Step 4: Simplify right side
    60,381.12x = 3,041,725,317.12
  5. Step 5: Solve for x
    x = 3,041,725,317.12/60,381.12
  6. Step 6: Final answer
    x = 50,375.44

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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.