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Finding the Fourth Proportional to 44,493.60, 66,746.80 and 14,912.80

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Solution

The fourth proportional to 44,493.60, 66,746.80 and 14,912.80 is: 22,371.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,493.60 : 66,746.80 = 14,912.80 : x
  2. Step 2: Convert to fraction form
    44,493.60/66,746.80 = 14,912.80/x
  3. Step 3: Cross multiply
    44,493.60x = 66,746.80 × 14,912.80
  4. Step 4: Simplify right side
    44,493.60x = 995,381,679.04
  5. Step 5: Solve for x
    x = 995,381,679.04/44,493.60
  6. Step 6: Final answer
    x = 22,371.35

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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.