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Finding the Fourth Proportional to 34,225.92, 51,329.60 and 13,449.60

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Solution

The fourth proportional to 34,225.92, 51,329.60 and 13,449.60 is: 20,170.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,225.92 : 51,329.60 = 13,449.60 : x
  2. Step 2: Convert to fraction form
    34,225.92/51,329.60 = 13,449.60/x
  3. Step 3: Cross multiply
    34,225.92x = 51,329.60 × 13,449.60
  4. Step 4: Simplify right side
    34,225.92x = 690,362,588.16
  5. Step 5: Solve for x
    x = 690,362,588.16/34,225.92
  6. Step 6: Final answer
    x = 20,170.75

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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.