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Finding the Fourth Proportional to 16,292.25, 24,438.62 and 3,980.25

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Solution

The fourth proportional to 16,292.25, 24,438.62 and 3,980.25 is: 5,970.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,292.25 : 24,438.62 = 3,980.25 : x
  2. Step 2: Convert to fraction form
    16,292.25/24,438.62 = 3,980.25/x
  3. Step 3: Cross multiply
    16,292.25x = 24,438.62 × 3,980.25
  4. Step 4: Simplify right side
    16,292.25x = 97,271,797.35
  5. Step 5: Solve for x
    x = 97,271,797.35/16,292.25
  6. Step 6: Final answer
    x = 5,970.43

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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.