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Finding the Fourth Proportional to 44,374.80, 66,562.20 and 21,046.80

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Solution

The fourth proportional to 44,374.80, 66,562.20 and 21,046.80 is: 31,570.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,374.80 : 66,562.20 = 21,046.80 : x
  2. Step 2: Convert to fraction form
    44,374.80/66,562.20 = 21,046.80/x
  3. Step 3: Cross multiply
    44,374.80x = 66,562.20 × 21,046.80
  4. Step 4: Simplify right side
    44,374.80x = 1,400,921,310.96
  5. Step 5: Solve for x
    x = 1,400,921,310.96/44,374.80
  6. Step 6: Final answer
    x = 31,570.20

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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.