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Finding the Fourth Proportional to 6,493.55, 8,960.95 and 3,660.92

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Solution

The fourth proportional to 6,493.55, 8,960.95 and 3,660.92 is: 5,051.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,493.55 : 8,960.95 = 3,660.92 : x
  2. Step 2: Convert to fraction form
    6,493.55/8,960.95 = 3,660.92/x
  3. Step 3: Cross multiply
    6,493.55x = 8,960.95 × 3,660.92
  4. Step 4: Simplify right side
    6,493.55x = 32,805,267.12
  5. Step 5: Solve for x
    x = 32,805,267.12/6,493.55
  6. Step 6: Final answer
    x = 5,051.98

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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.