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Finding the Fourth Proportional to 70,493.41, 97,281.38 and 38,662.53

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Solution

The fourth proportional to 70,493.41, 97,281.38 and 38,662.53 is: 53,354.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,493.41 : 97,281.38 = 38,662.53 : x
  2. Step 2: Convert to fraction form
    70,493.41/97,281.38 = 38,662.53/x
  3. Step 3: Cross multiply
    70,493.41x = 97,281.38 × 38,662.53
  4. Step 4: Simplify right side
    70,493.41x = 3,761,144,443.01
  5. Step 5: Solve for x
    x = 3,761,144,443.01/70,493.41
  6. Step 6: Final answer
    x = 53,354.56

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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.