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Finding the Fourth Proportional to 34,435, 51,661.14 and 9,811

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Solution

The fourth proportional to 34,435, 51,661.14 and 9,811 is: 14,718.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,435 : 51,661.14 = 9,811 : x
  2. Step 2: Convert to fraction form
    34,435/51,661.14 = 9,811/x
  3. Step 3: Cross multiply
    34,435x = 51,661.14 × 9,811
  4. Step 4: Simplify right side
    34,435x = 506,847,444.54
  5. Step 5: Solve for x
    x = 506,847,444.54/34,435
  6. Step 6: Final answer
    x = 14,718.96

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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.