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Finding the Fourth Proportional to 67,607.64, 101,402.46 and 17,683.76

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Solution

The fourth proportional to 67,607.64, 101,402.46 and 17,683.76 is: 26,523.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,607.64 : 101,402.46 = 17,683.76 : x
  2. Step 2: Convert to fraction form
    67,607.64/101,402.46 = 17,683.76/x
  3. Step 3: Cross multiply
    67,607.64x = 101,402.46 × 17,683.76
  4. Step 4: Simplify right side
    67,607.64x = 1,793,176,766.05
  5. Step 5: Solve for x
    x = 1,793,176,766.05/67,607.64
  6. Step 6: Final answer
    x = 26,523.29

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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.