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Finding the Fourth Proportional to 64,609.11, 96,706.18 and 34,548.11

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Solution

The fourth proportional to 64,609.11, 96,706.18 and 34,548.11 is: 51,711.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,609.11 : 96,706.18 = 34,548.11 : x
  2. Step 2: Convert to fraction form
    64,609.11/96,706.18 = 34,548.11/x
  3. Step 3: Cross multiply
    64,609.11x = 96,706.18 × 34,548.11
  4. Step 4: Simplify right side
    64,609.11x = 3,341,015,433.46
  5. Step 5: Solve for x
    x = 3,341,015,433.46/64,609.11
  6. Step 6: Final answer
    x = 51,711.22

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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.