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Finding the Fourth Proportional to 62,638.30, 93,947.44 and 18,254.67

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Solution

The fourth proportional to 62,638.30, 93,947.44 and 18,254.67 is: 27,379.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,638.30 : 93,947.44 = 18,254.67 : x
  2. Step 2: Convert to fraction form
    62,638.30/93,947.44 = 18,254.67/x
  3. Step 3: Cross multiply
    62,638.30x = 93,947.44 × 18,254.67
  4. Step 4: Simplify right side
    62,638.30x = 1,714,978,953.53
  5. Step 5: Solve for x
    x = 1,714,978,953.53/62,638.30
  6. Step 6: Final answer
    x = 27,379.08

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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.