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Finding the Fourth Proportional to 44,754.87, 67,132.30 and 21,310.23

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Solution

The fourth proportional to 44,754.87, 67,132.30 and 21,310.23 is: 31,965.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,754.87 : 67,132.30 = 21,310.23 : x
  2. Step 2: Convert to fraction form
    44,754.87/67,132.30 = 21,310.23/x
  3. Step 3: Cross multiply
    44,754.87x = 67,132.30 × 21,310.23
  4. Step 4: Simplify right side
    44,754.87x = 1,430,604,780.07
  5. Step 5: Solve for x
    x = 1,430,604,780.07/44,754.87
  6. Step 6: Final answer
    x = 31,965.34

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Double scale
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Similar ratio
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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.