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Finding the Fourth Proportional to 50,973.20, 76,492.20 and 29,913.20

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Solution

The fourth proportional to 50,973.20, 76,492.20 and 29,913.20 is: 44,888.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,973.20 : 76,492.20 = 29,913.20 : x
  2. Step 2: Convert to fraction form
    50,973.20/76,492.20 = 29,913.20/x
  3. Step 3: Cross multiply
    50,973.20x = 76,492.20 × 29,913.20
  4. Step 4: Simplify right side
    50,973.20x = 2,288,126,477.04
  5. Step 5: Solve for x
    x = 2,288,126,477.04/50,973.20
  6. Step 6: Final answer
    x = 44,888.81

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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.