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Finding the Fourth Proportional to 40,548.70, 60,826.12 and 10,966.10

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Solution

The fourth proportional to 40,548.70, 60,826.12 and 10,966.10 is: 16,449.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,548.70 : 60,826.12 = 10,966.10 : x
  2. Step 2: Convert to fraction form
    40,548.70/60,826.12 = 10,966.10/x
  3. Step 3: Cross multiply
    40,548.70x = 60,826.12 × 10,966.10
  4. Step 4: Simplify right side
    40,548.70x = 667,025,386.82
  5. Step 5: Solve for x
    x = 667,025,386.82/40,548.70
  6. Step 6: Final answer
    x = 16,449.98

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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.