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Finding the Fourth Proportional to 48,655.86, 72,949.18 and 18,644.67

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Solution

The fourth proportional to 48,655.86, 72,949.18 and 18,644.67 is: 27,953.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,655.86 : 72,949.18 = 18,644.67 : x
  2. Step 2: Convert to fraction form
    48,655.86/72,949.18 = 18,644.67/x
  3. Step 3: Cross multiply
    48,655.86x = 72,949.18 × 18,644.67
  4. Step 4: Simplify right side
    48,655.86x = 1,360,113,023.12
  5. Step 5: Solve for x
    x = 1,360,113,023.12/48,655.86
  6. Step 6: Final answer
    x = 27,953.74

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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.