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Finding the Fourth Proportional to 6,126.52, 8,450.56 and 4,865.57

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Solution

The fourth proportional to 6,126.52, 8,450.56 and 4,865.57 is: 6,711.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126.52 : 8,450.56 = 4,865.57 : x
  2. Step 2: Convert to fraction form
    6,126.52/8,450.56 = 4,865.57/x
  3. Step 3: Cross multiply
    6,126.52x = 8,450.56 × 4,865.57
  4. Step 4: Simplify right side
    6,126.52x = 41,116,800.18
  5. Step 5: Solve for x
    x = 41,116,800.18/6,126.52
  6. Step 6: Final answer
    x = 6,711.28

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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.