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Finding the Fourth Proportional to 54,593.62, 75,333.09 and 30,728.50

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Solution

The fourth proportional to 54,593.62, 75,333.09 and 30,728.50 is: 42,401.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,593.62 : 75,333.09 = 30,728.50 : x
  2. Step 2: Convert to fraction form
    54,593.62/75,333.09 = 30,728.50/x
  3. Step 3: Cross multiply
    54,593.62x = 75,333.09 × 30,728.50
  4. Step 4: Simplify right side
    54,593.62x = 2,314,872,856.07
  5. Step 5: Solve for x
    x = 2,314,872,856.07/54,593.62
  6. Step 6: Final answer
    x = 42,401.89

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1.5x scale

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.