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Finding the Fourth Proportional to 61,663.60, 85,095.98 and 33,369.28

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Solution

The fourth proportional to 61,663.60, 85,095.98 and 33,369.28 is: 46,049.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,663.60 : 85,095.98 = 33,369.28 : x
  2. Step 2: Convert to fraction form
    61,663.60/85,095.98 = 33,369.28/x
  3. Step 3: Cross multiply
    61,663.60x = 85,095.98 × 33,369.28
  4. Step 4: Simplify right side
    61,663.60x = 2,839,590,991.17
  5. Step 5: Solve for x
    x = 2,839,590,991.17/61,663.60
  6. Step 6: Final answer
    x = 46,049.72

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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.