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Finding the Fourth Proportional to 63,851.94, 88,115.58 and 35,564.31

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Solution

The fourth proportional to 63,851.94, 88,115.58 and 35,564.31 is: 49,078.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,851.94 : 88,115.58 = 35,564.31 : x
  2. Step 2: Convert to fraction form
    63,851.94/88,115.58 = 35,564.31/x
  3. Step 3: Cross multiply
    63,851.94x = 88,115.58 × 35,564.31
  4. Step 4: Simplify right side
    63,851.94x = 3,133,769,802.95
  5. Step 5: Solve for x
    x = 3,133,769,802.95/63,851.94
  6. Step 6: Final answer
    x = 49,078.69

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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.