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Finding the Fourth Proportional to 6,913.76, 10,369.08 and 2,752.63

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Solution

The fourth proportional to 6,913.76, 10,369.08 and 2,752.63 is: 4,128.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.76 : 10,369.08 = 2,752.63 : x
  2. Step 2: Convert to fraction form
    6,913.76/10,369.08 = 2,752.63/x
  3. Step 3: Cross multiply
    6,913.76x = 10,369.08 × 2,752.63
  4. Step 4: Simplify right side
    6,913.76x = 28,542,240.68
  5. Step 5: Solve for x
    x = 28,542,240.68/6,913.76
  6. Step 6: Final answer
    x = 4,128.32

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1.5x scale

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.