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Finding the Fourth Proportional to 61,120.42, 84,341.93 and 33,897.94

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Solution

The fourth proportional to 61,120.42, 84,341.93 and 33,897.94 is: 46,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,120.42 : 84,341.93 = 33,897.94 : x
  2. Step 2: Convert to fraction form
    61,120.42/84,341.93 = 33,897.94/x
  3. Step 3: Cross multiply
    61,120.42x = 84,341.93 × 33,897.94
  4. Step 4: Simplify right side
    61,120.42x = 2,859,017,682.62
  5. Step 5: Solve for x
    x = 2,859,017,682.62/61,120.42
  6. Step 6: Final answer
    x = 46,776.80

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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.