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Finding the Fourth Proportional to 23,618.63, 35,419.61 and 6,974.21

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Solution

The fourth proportional to 23,618.63, 35,419.61 and 6,974.21 is: 10,458.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,618.63 : 35,419.61 = 6,974.21 : x
  2. Step 2: Convert to fraction form
    23,618.63/35,419.61 = 6,974.21/x
  3. Step 3: Cross multiply
    23,618.63x = 35,419.61 × 6,974.21
  4. Step 4: Simplify right side
    23,618.63x = 247,023,586.29
  5. Step 5: Solve for x
    x = 247,023,586.29/23,618.63
  6. Step 6: Final answer
    x = 10,458.85

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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.