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Finding the Fourth Proportional to 48,467.56, 72,707.70 and 16,874.20

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Solution

The fourth proportional to 48,467.56, 72,707.70 and 16,874.20 is: 25,313.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,467.56 : 72,707.70 = 16,874.20 : x
  2. Step 2: Convert to fraction form
    48,467.56/72,707.70 = 16,874.20/x
  3. Step 3: Cross multiply
    48,467.56x = 72,707.70 × 16,874.20
  4. Step 4: Simplify right side
    48,467.56x = 1,226,884,271.34
  5. Step 5: Solve for x
    x = 1,226,884,271.34/48,467.56
  6. Step 6: Final answer
    x = 25,313.51

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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.