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Finding the Fourth Proportional to 70,635.84, 97,477.68 and 38,806.80

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Solution

The fourth proportional to 70,635.84, 97,477.68 and 38,806.80 is: 53,553.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,635.84 : 97,477.68 = 38,806.80 : x
  2. Step 2: Convert to fraction form
    70,635.84/97,477.68 = 38,806.80/x
  3. Step 3: Cross multiply
    70,635.84x = 97,477.68 × 38,806.80
  4. Step 4: Simplify right side
    70,635.84x = 3,782,796,832.22
  5. Step 5: Solve for x
    x = 3,782,796,832.22/70,635.84
  6. Step 6: Final answer
    x = 53,553.51

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