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Finding the Fourth Proportional to 6,756.57, 9,325.28 and 4,031.28

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Solution

The fourth proportional to 6,756.57, 9,325.28 and 4,031.28 is: 5,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,756.57 : 9,325.28 = 4,031.28 : x
  2. Step 2: Convert to fraction form
    6,756.57/9,325.28 = 4,031.28/x
  3. Step 3: Cross multiply
    6,756.57x = 9,325.28 × 4,031.28
  4. Step 4: Simplify right side
    6,756.57x = 37,592,814.76
  5. Step 5: Solve for x
    x = 37,592,814.76/6,756.57
  6. Step 6: Final answer
    x = 5,563.89

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1.5x scale

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.