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Finding the Fourth Proportional to 6,574.50, 9,073.08 and 3,780

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Solution

The fourth proportional to 6,574.50, 9,073.08 and 3,780 is: 5,216.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,574.50 : 9,073.08 = 3,780 : x
  2. Step 2: Convert to fraction form
    6,574.50/9,073.08 = 3,780/x
  3. Step 3: Cross multiply
    6,574.50x = 9,073.08 × 3,780
  4. Step 4: Simplify right side
    6,574.50x = 34,296,242.40
  5. Step 5: Solve for x
    x = 34,296,242.40/6,574.50
  6. Step 6: Final answer
    x = 5,216.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.