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Finding the Fourth Proportional to 35,666.56, 53,470.72 and 20,839.04

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Solution

The fourth proportional to 35,666.56, 53,470.72 and 20,839.04 is: 31,241.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,666.56 : 53,470.72 = 20,839.04 : x
  2. Step 2: Convert to fraction form
    35,666.56/53,470.72 = 20,839.04/x
  3. Step 3: Cross multiply
    35,666.56x = 53,470.72 × 20,839.04
  4. Step 4: Simplify right side
    35,666.56x = 1,114,278,472.91
  5. Step 5: Solve for x
    x = 1,114,278,472.91/35,666.56
  6. Step 6: Final answer
    x = 31,241.55

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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.