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Finding the Fourth Proportional to 6,855.52, 9,460.50 and 3,711.71

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Solution

The fourth proportional to 6,855.52, 9,460.50 and 3,711.71 is: 5,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,855.52 : 9,460.50 = 3,711.71 : x
  2. Step 2: Convert to fraction form
    6,855.52/9,460.50 = 3,711.71/x
  3. Step 3: Cross multiply
    6,855.52x = 9,460.50 × 3,711.71
  4. Step 4: Simplify right side
    6,855.52x = 35,114,632.46
  5. Step 5: Solve for x
    x = 35,114,632.46/6,855.52
  6. Step 6: Final answer
    x = 5,122.10

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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.