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Finding the Fourth Proportional to 58,660.53, 80,930.30 and 38,528.34

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Solution

The fourth proportional to 58,660.53, 80,930.30 and 38,528.34 is: 53,155.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,660.53 : 80,930.30 = 38,528.34 : x
  2. Step 2: Convert to fraction form
    58,660.53/80,930.30 = 38,528.34/x
  3. Step 3: Cross multiply
    58,660.53x = 80,930.30 × 38,528.34
  4. Step 4: Simplify right side
    58,660.53x = 3,118,109,922.06
  5. Step 5: Solve for x
    x = 3,118,109,922.06/58,660.53
  6. Step 6: Final answer
    x = 53,155.16

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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.