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Finding the Fourth Proportional to 44,845.60, 67,271.60 and 13,680.80

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Solution

The fourth proportional to 44,845.60, 67,271.60 and 13,680.80 is: 20,522.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,845.60 : 67,271.60 = 13,680.80 : x
  2. Step 2: Convert to fraction form
    44,845.60/67,271.60 = 13,680.80/x
  3. Step 3: Cross multiply
    44,845.60x = 67,271.60 × 13,680.80
  4. Step 4: Simplify right side
    44,845.60x = 920,329,305.28
  5. Step 5: Solve for x
    x = 920,329,305.28/44,845.60
  6. Step 6: Final answer
    x = 20,522.18

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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.