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Finding the Fourth Proportional to 61,243.54, 91,864.46 and 29,656.42

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Solution

The fourth proportional to 61,243.54, 91,864.46 and 29,656.42 is: 44,484.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,243.54 : 91,864.46 = 29,656.42 : x
  2. Step 2: Convert to fraction form
    61,243.54/91,864.46 = 29,656.42/x
  3. Step 3: Cross multiply
    61,243.54x = 91,864.46 × 29,656.42
  4. Step 4: Simplify right side
    61,243.54x = 2,724,370,853.31
  5. Step 5: Solve for x
    x = 2,724,370,853.31/61,243.54
  6. Step 6: Final answer
    x = 44,484.22

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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.