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Finding the Fourth Proportional to 70,625.03, 97,463.12 and 38,794.64

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Solution

The fourth proportional to 70,625.03, 97,463.12 and 38,794.64 is: 53,536.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,625.03 : 97,463.12 = 38,794.64 : x
  2. Step 2: Convert to fraction form
    70,625.03/97,463.12 = 38,794.64/x
  3. Step 3: Cross multiply
    70,625.03x = 97,463.12 × 38,794.64
  4. Step 4: Simplify right side
    70,625.03x = 3,781,045,972.39
  5. Step 5: Solve for x
    x = 3,781,045,972.39/70,625.03
  6. Step 6: Final answer
    x = 53,536.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.