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Finding the Fourth Proportional to 61,329.90, 84,636.18 and 35,842.98

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Solution

The fourth proportional to 61,329.90, 84,636.18 and 35,842.98 is: 49,463.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,329.90 : 84,636.18 = 35,842.98 : x
  2. Step 2: Convert to fraction form
    61,329.90/84,636.18 = 35,842.98/x
  3. Step 3: Cross multiply
    61,329.90x = 84,636.18 × 35,842.98
  4. Step 4: Simplify right side
    61,329.90x = 3,033,612,907.02
  5. Step 5: Solve for x
    x = 3,033,612,907.02/61,329.90
  6. Step 6: Final answer
    x = 49,463.85

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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.