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Finding the Fourth Proportional to 61,474.84, 84,839.30 and 46,340.80

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Solution

The fourth proportional to 61,474.84, 84,839.30 and 46,340.80 is: 63,953.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,474.84 : 84,839.30 = 46,340.80 : x
  2. Step 2: Convert to fraction form
    61,474.84/84,839.30 = 46,340.80/x
  3. Step 3: Cross multiply
    61,474.84x = 84,839.30 × 46,340.80
  4. Step 4: Simplify right side
    61,474.84x = 3,931,521,033.44
  5. Step 5: Solve for x
    x = 3,931,521,033.44/61,474.84
  6. Step 6: Final answer
    x = 63,953.33

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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.