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Finding the Fourth Proportional to 16,750.40, 25,125.60 and 16,491.20

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Solution

The fourth proportional to 16,750.40, 25,125.60 and 16,491.20 is: 24,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,750.40 : 25,125.60 = 16,491.20 : x
  2. Step 2: Convert to fraction form
    16,750.40/25,125.60 = 16,491.20/x
  3. Step 3: Cross multiply
    16,750.40x = 25,125.60 × 16,491.20
  4. Step 4: Simplify right side
    16,750.40x = 414,351,294.72
  5. Step 5: Solve for x
    x = 414,351,294.72/16,750.40
  6. Step 6: Final answer
    x = 24,736.80

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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.