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Finding the Fourth Proportional to 15,155.36, 22,735.84 and 6,835.68

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Solution

The fourth proportional to 15,155.36, 22,735.84 and 6,835.68 is: 10,254.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,155.36 : 22,735.84 = 6,835.68 : x
  2. Step 2: Convert to fraction form
    15,155.36/22,735.84 = 6,835.68/x
  3. Step 3: Cross multiply
    15,155.36x = 22,735.84 × 6,835.68
  4. Step 4: Simplify right side
    15,155.36x = 155,414,926.77
  5. Step 5: Solve for x
    x = 155,414,926.77/15,155.36
  6. Step 6: Final answer
    x = 10,254.78

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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.