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Finding the Fourth Proportional to 68,458.05, 102,689.92 and 23,510.29

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Solution

The fourth proportional to 68,458.05, 102,689.92 and 23,510.29 is: 35,266.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,458.05 : 102,689.92 = 23,510.29 : x
  2. Step 2: Convert to fraction form
    68,458.05/102,689.92 = 23,510.29/x
  3. Step 3: Cross multiply
    68,458.05x = 102,689.92 × 23,510.29
  4. Step 4: Simplify right side
    68,458.05x = 2,414,269,799.28
  5. Step 5: Solve for x
    x = 2,414,269,799.28/68,458.05
  6. Step 6: Final answer
    x = 35,266.41

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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.