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Finding the Fourth Proportional to 16,973.20, 25,459.80 and 16,166.80

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Solution

The fourth proportional to 16,973.20, 25,459.80 and 16,166.80 is: 24,250.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,973.20 : 25,459.80 = 16,166.80 : x
  2. Step 2: Convert to fraction form
    16,973.20/25,459.80 = 16,166.80/x
  3. Step 3: Cross multiply
    16,973.20x = 25,459.80 × 16,166.80
  4. Step 4: Simplify right side
    16,973.20x = 411,603,494.64
  5. Step 5: Solve for x
    x = 411,603,494.64/16,973.20
  6. Step 6: Final answer
    x = 24,250.20

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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.