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Finding the Fourth Proportional to 61,304.82, 84,549.84 and 51,766.80

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Solution

The fourth proportional to 61,304.82, 84,549.84 and 51,766.80 is: 71,395.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,304.82 : 84,549.84 = 51,766.80 : x
  2. Step 2: Convert to fraction form
    61,304.82/84,549.84 = 51,766.80/x
  3. Step 3: Cross multiply
    61,304.82x = 84,549.84 × 51,766.80
  4. Step 4: Simplify right side
    61,304.82x = 4,376,874,657.31
  5. Step 5: Solve for x
    x = 4,376,874,657.31/61,304.82
  6. Step 6: Final answer
    x = 71,395.28

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1.5x scale

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.