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Finding the Fourth Proportional to 49,647.60, 74,422.80 and 44,398.80

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Solution

The fourth proportional to 49,647.60, 74,422.80 and 44,398.80 is: 66,554.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,647.60 : 74,422.80 = 44,398.80 : x
  2. Step 2: Convert to fraction form
    49,647.60/74,422.80 = 44,398.80/x
  3. Step 3: Cross multiply
    49,647.60x = 74,422.80 × 44,398.80
  4. Step 4: Simplify right side
    49,647.60x = 3,304,283,012.64
  5. Step 5: Solve for x
    x = 3,304,283,012.64/49,647.60
  6. Step 6: Final answer
    x = 66,554.74

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1.5x scale

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.