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Finding the Fourth Proportional to 62,825.04, 86,699.04 and 34,531.20

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Solution

The fourth proportional to 62,825.04, 86,699.04 and 34,531.20 is: 47,653.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,825.04 : 86,699.04 = 34,531.20 : x
  2. Step 2: Convert to fraction form
    62,825.04/86,699.04 = 34,531.20/x
  3. Step 3: Cross multiply
    62,825.04x = 86,699.04 × 34,531.20
  4. Step 4: Simplify right side
    62,825.04x = 2,993,821,890.05
  5. Step 5: Solve for x
    x = 2,993,821,890.05/62,825.04
  6. Step 6: Final answer
    x = 47,653.32

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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.