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Finding the Fourth Proportional to 61,524.62, 84,904.02 and 33,230.30

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Solution

The fourth proportional to 61,524.62, 84,904.02 and 33,230.30 is: 45,857.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,524.62 : 84,904.02 = 33,230.30 : x
  2. Step 2: Convert to fraction form
    61,524.62/84,904.02 = 33,230.30/x
  3. Step 3: Cross multiply
    61,524.62x = 84,904.02 × 33,230.30
  4. Step 4: Simplify right side
    61,524.62x = 2,821,386,055.81
  5. Step 5: Solve for x
    x = 2,821,386,055.81/61,524.62
  6. Step 6: Final answer
    x = 45,857.84

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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.