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Finding the Fourth Proportional to 64,916.54, 97,378.91 and 27,471.68

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Solution

The fourth proportional to 64,916.54, 97,378.91 and 27,471.68 is: 41,209.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,916.54 : 97,378.91 = 27,471.68 : x
  2. Step 2: Convert to fraction form
    64,916.54/97,378.91 = 27,471.68/x
  3. Step 3: Cross multiply
    64,916.54x = 97,378.91 × 27,471.68
  4. Step 4: Simplify right side
    64,916.54x = 2,675,162,372.08
  5. Step 5: Solve for x
    x = 2,675,162,372.08/64,916.54
  6. Step 6: Final answer
    x = 41,209.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.