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Finding the Fourth Proportional to 34,480.54, 51,720.82 and 9,519.76

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Solution

The fourth proportional to 34,480.54, 51,720.82 and 9,519.76 is: 14,279.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,480.54 : 51,720.82 = 9,519.76 : x
  2. Step 2: Convert to fraction form
    34,480.54/51,720.82 = 9,519.76/x
  3. Step 3: Cross multiply
    34,480.54x = 51,720.82 × 9,519.76
  4. Step 4: Simplify right side
    34,480.54x = 492,369,793.40
  5. Step 5: Solve for x
    x = 492,369,793.40/34,480.54
  6. Step 6: Final answer
    x = 14,279.64

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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.