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Finding the Fourth Proportional to 6,483.71, 8,947.19 and 3,651.55

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Solution

The fourth proportional to 6,483.71, 8,947.19 and 3,651.55 is: 5,038.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,483.71 : 8,947.19 = 3,651.55 : x
  2. Step 2: Convert to fraction form
    6,483.71/8,947.19 = 3,651.55/x
  3. Step 3: Cross multiply
    6,483.71x = 8,947.19 × 3,651.55
  4. Step 4: Simplify right side
    6,483.71x = 32,671,098.41
  5. Step 5: Solve for x
    x = 32,671,098.41/6,483.71
  6. Step 6: Final answer
    x = 5,038.95

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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.