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Finding the Fourth Proportional to 50,592.80, 75,840.60 and 39,341.90

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Solution

The fourth proportional to 50,592.80, 75,840.60 and 39,341.90 is: 58,975.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,592.80 : 75,840.60 = 39,341.90 : x
  2. Step 2: Convert to fraction form
    50,592.80/75,840.60 = 39,341.90/x
  3. Step 3: Cross multiply
    50,592.80x = 75,840.60 × 39,341.90
  4. Step 4: Simplify right side
    50,592.80x = 2,983,713,301.14
  5. Step 5: Solve for x
    x = 2,983,713,301.14/50,592.80
  6. Step 6: Final answer
    x = 58,975.06

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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.