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Finding the Fourth Proportional to 48,460.56, 72,697.20 and 16,867.20

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Solution

The fourth proportional to 48,460.56, 72,697.20 and 16,867.20 is: 25,303.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,460.56 : 72,697.20 = 16,867.20 : x
  2. Step 2: Convert to fraction form
    48,460.56/72,697.20 = 16,867.20/x
  3. Step 3: Cross multiply
    48,460.56x = 72,697.20 × 16,867.20
  4. Step 4: Simplify right side
    48,460.56x = 1,226,198,211.84
  5. Step 5: Solve for x
    x = 1,226,198,211.84/48,460.56
  6. Step 6: Final answer
    x = 25,303.01

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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.