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Finding the Fourth Proportional to 70,592.85, 97,418.43 and 38,327.58

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Solution

The fourth proportional to 70,592.85, 97,418.43 and 38,327.58 is: 52,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,592.85 : 97,418.43 = 38,327.58 : x
  2. Step 2: Convert to fraction form
    70,592.85/97,418.43 = 38,327.58/x
  3. Step 3: Cross multiply
    70,592.85x = 97,418.43 × 38,327.58
  4. Step 4: Simplify right side
    70,592.85x = 3,733,812,669.30
  5. Step 5: Solve for x
    x = 3,733,812,669.30/70,592.85
  6. Step 6: Final answer
    x = 52,892.22

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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.