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Finding the Fourth Proportional to 62,608.64, 86,400.69 and 34,314.26

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Solution

The fourth proportional to 62,608.64, 86,400.69 and 34,314.26 is: 47,354.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,608.64 : 86,400.69 = 34,314.26 : x
  2. Step 2: Convert to fraction form
    62,608.64/86,400.69 = 34,314.26/x
  3. Step 3: Cross multiply
    62,608.64x = 86,400.69 × 34,314.26
  4. Step 4: Simplify right side
    62,608.64x = 2,964,775,740.84
  5. Step 5: Solve for x
    x = 2,964,775,740.84/62,608.64
  6. Step 6: Final answer
    x = 47,354.10

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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.