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Finding the Fourth Proportional to 61,802.46, 85,287.58 and 33,508.16

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Solution

The fourth proportional to 61,802.46, 85,287.58 and 33,508.16 is: 46,241.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,802.46 : 85,287.58 = 33,508.16 : x
  2. Step 2: Convert to fraction form
    61,802.46/85,287.58 = 33,508.16/x
  3. Step 3: Cross multiply
    61,802.46x = 85,287.58 × 33,508.16
  4. Step 4: Simplify right side
    61,802.46x = 2,857,829,876.65
  5. Step 5: Solve for x
    x = 2,857,829,876.65/61,802.46
  6. Step 6: Final answer
    x = 46,241.36

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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.