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Finding the Fourth Proportional to 61,913.16, 92,924.42 and 33,858.81

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Solution

The fourth proportional to 61,913.16, 92,924.42 and 33,858.81 is: 50,818.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,913.16 : 92,924.42 = 33,858.81 : x
  2. Step 2: Convert to fraction form
    61,913.16/92,924.42 = 33,858.81/x
  3. Step 3: Cross multiply
    61,913.16x = 92,924.42 × 33,858.81
  4. Step 4: Simplify right side
    61,913.16x = 3,146,310,111.85
  5. Step 5: Solve for x
    x = 3,146,310,111.85/61,913.16
  6. Step 6: Final answer
    x = 50,818.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.