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Finding the Fourth Proportional to 59,404.90, 81,978.75 and 35,537.19

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Solution

The fourth proportional to 59,404.90, 81,978.75 and 35,537.19 is: 49,041.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,404.90 : 81,978.75 = 35,537.19 : x
  2. Step 2: Convert to fraction form
    59,404.90/81,978.75 = 35,537.19/x
  3. Step 3: Cross multiply
    59,404.90x = 81,978.75 × 35,537.19
  4. Step 4: Simplify right side
    59,404.90x = 2,913,294,107.29
  5. Step 5: Solve for x
    x = 2,913,294,107.29/59,404.90
  6. Step 6: Final answer
    x = 49,041.31

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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.