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Finding the Fourth Proportional to 61,957.30, 92,870.97 and 30,323.74

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Solution

The fourth proportional to 61,957.30, 92,870.97 and 30,323.74 is: 45,453.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,957.30 : 92,870.97 = 30,323.74 : x
  2. Step 2: Convert to fraction form
    61,957.30/92,870.97 = 30,323.74/x
  3. Step 3: Cross multiply
    61,957.30x = 92,870.97 × 30,323.74
  4. Step 4: Simplify right side
    61,957.30x = 2,816,195,147.83
  5. Step 5: Solve for x
    x = 2,816,195,147.83/61,957.30
  6. Step 6: Final answer
    x = 45,453.81

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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.