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Finding the Fourth Proportional to 61,854, 85,358.73 and 33,559.89

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Solution

The fourth proportional to 61,854, 85,358.73 and 33,559.89 is: 46,312.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,854 : 85,358.73 = 33,559.89 : x
  2. Step 2: Convert to fraction form
    61,854/85,358.73 = 33,559.89/x
  3. Step 3: Cross multiply
    61,854x = 85,358.73 × 33,559.89
  4. Step 4: Simplify right side
    61,854x = 2,864,629,589.34
  5. Step 5: Solve for x
    x = 2,864,629,589.34/61,854
  6. Step 6: Final answer
    x = 46,312.76

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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.