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Finding the Fourth Proportional to 6,250.63, 8,621.80 and 4,008.95

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Solution

The fourth proportional to 6,250.63, 8,621.80 and 4,008.95 is: 5,529.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,250.63 : 8,621.80 = 4,008.95 : x
  2. Step 2: Convert to fraction form
    6,250.63/8,621.80 = 4,008.95/x
  3. Step 3: Cross multiply
    6,250.63x = 8,621.80 × 4,008.95
  4. Step 4: Simplify right side
    6,250.63x = 34,564,403.52
  5. Step 5: Solve for x
    x = 34,564,403.52/6,250.63
  6. Step 6: Final answer
    x = 5,529.75

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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.