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Finding the Fourth Proportional to 70,563.87, 97,374.82 and 38,297.76

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Solution

The fourth proportional to 70,563.87, 97,374.82 and 38,297.76 is: 52,849.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,563.87 : 97,374.82 = 38,297.76 : x
  2. Step 2: Convert to fraction form
    70,563.87/97,374.82 = 38,297.76/x
  3. Step 3: Cross multiply
    70,563.87x = 97,374.82 × 38,297.76
  4. Step 4: Simplify right side
    70,563.87x = 3,729,237,486.40
  5. Step 5: Solve for x
    x = 3,729,237,486.40/70,563.87
  6. Step 6: Final answer
    x = 52,849.11

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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.