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Finding the Fourth Proportional to 62,076, 85,664.88 and 33,781.89

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Solution

The fourth proportional to 62,076, 85,664.88 and 33,781.89 is: 46,619.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,076 : 85,664.88 = 33,781.89 : x
  2. Step 2: Convert to fraction form
    62,076/85,664.88 = 33,781.89/x
  3. Step 3: Cross multiply
    62,076x = 85,664.88 × 33,781.89
  4. Step 4: Simplify right side
    62,076x = 2,893,921,553.02
  5. Step 5: Solve for x
    x = 2,893,921,553.02/62,076
  6. Step 6: Final answer
    x = 46,619.01

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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.