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Finding the Fourth Proportional to 61,343.62, 84,648.36 and 35,855.96

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Solution

The fourth proportional to 61,343.62, 84,648.36 and 35,855.96 is: 49,477.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,343.62 : 84,648.36 = 35,855.96 : x
  2. Step 2: Convert to fraction form
    61,343.62/84,648.36 = 35,855.96/x
  3. Step 3: Cross multiply
    61,343.62x = 84,648.36 × 35,855.96
  4. Step 4: Simplify right side
    61,343.62x = 3,035,148,210.23
  5. Step 5: Solve for x
    x = 3,035,148,210.23/61,343.62
  6. Step 6: Final answer
    x = 49,477.81

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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.