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Finding the Fourth Proportional to 44,344.80, 66,507.48 and 12,754.80

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Solution

The fourth proportional to 44,344.80, 66,507.48 and 12,754.80 is: 19,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,344.80 : 66,507.48 = 12,754.80 : x
  2. Step 2: Convert to fraction form
    44,344.80/66,507.48 = 12,754.80/x
  3. Step 3: Cross multiply
    44,344.80x = 66,507.48 × 12,754.80
  4. Step 4: Simplify right side
    44,344.80x = 848,289,605.90
  5. Step 5: Solve for x
    x = 848,289,605.90/44,344.80
  6. Step 6: Final answer
    x = 19,129.40

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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.