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Finding the Fourth Proportional to 4,447.95, 6,655.50 and 3,660.63

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Solution

The fourth proportional to 4,447.95, 6,655.50 and 3,660.63 is: 5,477.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,447.95 : 6,655.50 = 3,660.63 : x
  2. Step 2: Convert to fraction form
    4,447.95/6,655.50 = 3,660.63/x
  3. Step 3: Cross multiply
    4,447.95x = 6,655.50 × 3,660.63
  4. Step 4: Simplify right side
    4,447.95x = 24,363,322.97
  5. Step 5: Solve for x
    x = 24,363,322.97/4,447.95
  6. Step 6: Final answer
    x = 5,477.43

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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.