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Finding the Fourth Proportional to 8,980.99, 13,474.23 and 4,601.55

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Solution

The fourth proportional to 8,980.99, 13,474.23 and 4,601.55 is: 6,903.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.99 : 13,474.23 = 4,601.55 : x
  2. Step 2: Convert to fraction form
    8,980.99/13,474.23 = 4,601.55/x
  3. Step 3: Cross multiply
    8,980.99x = 13,474.23 × 4,601.55
  4. Step 4: Simplify right side
    8,980.99x = 62,002,343.06
  5. Step 5: Solve for x
    x = 62,002,343.06/8,980.99
  6. Step 6: Final answer
    x = 6,903.73

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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.