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Finding the Fourth Proportional to 66,040.46, 99,089.94 and 26,674.46

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Solution

The fourth proportional to 66,040.46, 99,089.94 and 26,674.46 is: 40,023.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,040.46 : 99,089.94 = 26,674.46 : x
  2. Step 2: Convert to fraction form
    66,040.46/99,089.94 = 26,674.46/x
  3. Step 3: Cross multiply
    66,040.46x = 99,089.94 × 26,674.46
  4. Step 4: Simplify right side
    66,040.46x = 2,643,170,640.93
  5. Step 5: Solve for x
    x = 2,643,170,640.93/66,040.46
  6. Step 6: Final answer
    x = 40,023.50

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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.