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Finding the Fourth Proportional to 61,654.43, 85,083.41 and 34,798.07

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Solution

The fourth proportional to 61,654.43, 85,083.41 and 34,798.07 is: 48,021.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,654.43 : 85,083.41 = 34,798.07 : x
  2. Step 2: Convert to fraction form
    61,654.43/85,083.41 = 34,798.07/x
  3. Step 3: Cross multiply
    61,654.43x = 85,083.41 × 34,798.07
  4. Step 4: Simplify right side
    61,654.43x = 2,960,738,457.02
  5. Step 5: Solve for x
    x = 2,960,738,457.02/61,654.43
  6. Step 6: Final answer
    x = 48,021.50

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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.