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Finding the Fourth Proportional to 63,084.51, 87,055.02 and 34,788.39

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Solution

The fourth proportional to 63,084.51, 87,055.02 and 34,788.39 is: 48,007.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,084.51 : 87,055.02 = 34,788.39 : x
  2. Step 2: Convert to fraction form
    63,084.51/87,055.02 = 34,788.39/x
  3. Step 3: Cross multiply
    63,084.51x = 87,055.02 × 34,788.39
  4. Step 4: Simplify right side
    63,084.51x = 3,028,503,987.22
  5. Step 5: Solve for x
    x = 3,028,503,987.22/63,084.51
  6. Step 6: Final answer
    x = 48,007.09

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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.