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Finding the Fourth Proportional to 5,720.27, 8,570.88 and 5,504.31

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Solution

The fourth proportional to 5,720.27, 8,570.88 and 5,504.31 is: 8,247.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.27 : 8,570.88 = 5,504.31 : x
  2. Step 2: Convert to fraction form
    5,720.27/8,570.88 = 5,504.31/x
  3. Step 3: Cross multiply
    5,720.27x = 8,570.88 × 5,504.31
  4. Step 4: Simplify right side
    5,720.27x = 47,176,780.49
  5. Step 5: Solve for x
    x = 47,176,780.49/5,720.27
  6. Step 6: Final answer
    x = 8,247.31

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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.