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Finding the Fourth Proportional to 33,984, 50,980.32 and 9,360

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Solution

The fourth proportional to 33,984, 50,980.32 and 9,360 is: 14,041.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,984 : 50,980.32 = 9,360 : x
  2. Step 2: Convert to fraction form
    33,984/50,980.32 = 9,360/x
  3. Step 3: Cross multiply
    33,984x = 50,980.32 × 9,360
  4. Step 4: Simplify right side
    33,984x = 477,175,795.20
  5. Step 5: Solve for x
    x = 477,175,795.20/33,984
  6. Step 6: Final answer
    x = 14,041.19

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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.