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Finding the Fourth Proportional to 49,432.88, 73,976.88 and 40,444.32

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Solution

The fourth proportional to 49,432.88, 73,976.88 and 40,444.32 is: 60,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,432.88 : 73,976.88 = 40,444.32 : x
  2. Step 2: Convert to fraction form
    49,432.88/73,976.88 = 40,444.32/x
  3. Step 3: Cross multiply
    49,432.88x = 73,976.88 × 40,444.32
  4. Step 4: Simplify right side
    49,432.88x = 2,991,944,607.32
  5. Step 5: Solve for x
    x = 2,991,944,607.32/49,432.88
  6. Step 6: Final answer
    x = 60,525.40

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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.