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Finding the Fourth Proportional to 16,765.48, 25,154.34 and 6,905.44

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Solution

The fourth proportional to 16,765.48, 25,154.34 and 6,905.44 is: 10,360.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,765.48 : 25,154.34 = 6,905.44 : x
  2. Step 2: Convert to fraction form
    16,765.48/25,154.34 = 6,905.44/x
  3. Step 3: Cross multiply
    16,765.48x = 25,154.34 × 6,905.44
  4. Step 4: Simplify right side
    16,765.48x = 173,701,785.61
  5. Step 5: Solve for x
    x = 173,701,785.61/16,765.48
  6. Step 6: Final answer
    x = 10,360.68

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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.