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Finding the Fourth Proportional to 61,929.63, 85,463.33 and 33,635.32

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Solution

The fourth proportional to 61,929.63, 85,463.33 and 33,635.32 is: 46,416.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,929.63 : 85,463.33 = 33,635.32 : x
  2. Step 2: Convert to fraction form
    61,929.63/85,463.33 = 33,635.32/x
  3. Step 3: Cross multiply
    61,929.63x = 85,463.33 × 33,635.32
  4. Step 4: Simplify right side
    61,929.63x = 2,874,586,323.25
  5. Step 5: Solve for x
    x = 2,874,586,323.25/61,929.63
  6. Step 6: Final answer
    x = 46,416.98

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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.