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Finding the Fourth Proportional to 16,829.40, 25,243.08 and 7,466.70

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Solution

The fourth proportional to 16,829.40, 25,243.08 and 7,466.70 is: 11,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,829.40 : 25,243.08 = 7,466.70 : x
  2. Step 2: Convert to fraction form
    16,829.40/25,243.08 = 7,466.70/x
  3. Step 3: Cross multiply
    16,829.40x = 25,243.08 × 7,466.70
  4. Step 4: Simplify right side
    16,829.40x = 188,482,505.44
  5. Step 5: Solve for x
    x = 188,482,505.44/16,829.40
  6. Step 6: Final answer
    x = 11,199.60

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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.