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Finding the Fourth Proportional to 6,483.71, 8,948.39 and 3,651.65

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Solution

The fourth proportional to 6,483.71, 8,948.39 and 3,651.65 is: 5,039.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,483.71 : 8,948.39 = 3,651.65 : x
  2. Step 2: Convert to fraction form
    6,483.71/8,948.39 = 3,651.65/x
  3. Step 3: Cross multiply
    6,483.71x = 8,948.39 × 3,651.65
  4. Step 4: Simplify right side
    6,483.71x = 32,676,325.34
  5. Step 5: Solve for x
    x = 32,676,325.34/6,483.71
  6. Step 6: Final answer
    x = 5,039.76

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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.