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Finding the Fourth Proportional to 62,892.12, 86,788.62 and 34,210.44

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Solution

The fourth proportional to 62,892.12, 86,788.62 and 34,210.44 is: 47,209.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,892.12 : 86,788.62 = 34,210.44 : x
  2. Step 2: Convert to fraction form
    62,892.12/86,788.62 = 34,210.44/x
  3. Step 3: Cross multiply
    62,892.12x = 86,788.62 × 34,210.44
  4. Step 4: Simplify right side
    62,892.12x = 2,969,076,877.19
  5. Step 5: Solve for x
    x = 2,969,076,877.19/62,892.12
  6. Step 6: Final answer
    x = 47,209.04

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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.