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Finding the Fourth Proportional to 61,905.93, 85,435.47 and 35,053.17

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Solution

The fourth proportional to 61,905.93, 85,435.47 and 35,053.17 is: 48,376.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,905.93 : 85,435.47 = 35,053.17 : x
  2. Step 2: Convert to fraction form
    61,905.93/85,435.47 = 35,053.17/x
  3. Step 3: Cross multiply
    61,905.93x = 85,435.47 × 35,053.17
  4. Step 4: Simplify right side
    61,905.93x = 2,994,784,053.94
  5. Step 5: Solve for x
    x = 2,994,784,053.94/61,905.93
  6. Step 6: Final answer
    x = 48,376.37

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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.