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Finding the Fourth Proportional to 61,639.96, 85,062.54 and 33,345.04

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Solution

The fourth proportional to 61,639.96, 85,062.54 and 33,345.04 is: 46,015.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,639.96 : 85,062.54 = 33,345.04 : x
  2. Step 2: Convert to fraction form
    61,639.96/85,062.54 = 33,345.04/x
  3. Step 3: Cross multiply
    61,639.96x = 85,062.54 × 33,345.04
  4. Step 4: Simplify right side
    61,639.96x = 2,836,413,798.80
  5. Step 5: Solve for x
    x = 2,836,413,798.80/61,639.96
  6. Step 6: Final answer
    x = 46,015.83

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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.