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Finding the Fourth Proportional to 64,644.68, 96,766.54 and 34,988.96

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Solution

The fourth proportional to 64,644.68, 96,766.54 and 34,988.96 is: 52,374.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,644.68 : 96,766.54 = 34,988.96 : x
  2. Step 2: Convert to fraction form
    64,644.68/96,766.54 = 34,988.96/x
  3. Step 3: Cross multiply
    64,644.68x = 96,766.54 × 34,988.96
  4. Step 4: Simplify right side
    64,644.68x = 3,385,760,113.57
  5. Step 5: Solve for x
    x = 3,385,760,113.57/64,644.68
  6. Step 6: Final answer
    x = 52,374.93

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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.